Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn<\/p>\n\n\n\n
N\u1ebfu nh\u01b0 \u1edf b\u00e0i vi\u1ebft tr\u01b0\u1edbc, c\u00e1c em ch\u1ec9 \u0111\u01b0\u1ee3c t\u00ecm hi\u1ec3u qua v\u1ec1 c\u00e1c lo\u1ea1i m\u00e1y c\u01a1 \u0111\u01a1n gi\u1ea3n. Th\u00ec \u1edf trong b\u00e0i vi\u1ebft n\u00e0y, c\u00e1c em s\u1ebd \u0111\u1ebfn v\u1edbi nh\u1eefng \u0111i\u1ec1u chi ti\u1ebft v\u1ec1 m\u1eb7t ph\u1eb3ng nghi\u00eang. \u0110\u00e2y l\u00e0 m\u1ed9t trong s\u1ed1 nh\u1eefng chi\u1ebfc m\u00e1y c\u01a1 \u0111\u01a1n gi\u1ea3n \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nhi\u1ec1u nh\u1ea5t trong cu\u1ed9c s\u1ed1ng hi\u1ec7n nay. C\u00e1c em c\u0169ng c\u00f3 th\u1ec3 b\u1eaft g\u1eb7p chi\u1ebfc m\u00e1y c\u01a1 \u0111\u01a1n gi\u1ea3n n\u00e0y \u1edf b\u1ea5t c\u1ee9 \u0111\u00e2u trong cu\u1ed9c s\u1ed1ng. B\u00e0i vi\u1ebft ng\u00e0y h\u00f4m nay, ch\u00fang ta h\u00e3y c\u00f9ng nhau t\u00ecm hi\u1ec3u v\u1ec1 lo\u1ea1i m\u00e1y c\u01a1 \u0111\u01a1n gi\u1ea3n n\u00e0y nh\u00e9!<\/p>\n\n\n\n
M\u1eb7t ph\u1eb3ng nghi\u00eang l\u00e0 g\u00ec?<\/p>\n\n\n\n
C\u00f3 th\u1ec3 m\u1ed9t s\u1ed1 b\u1ea1n \u0111\u00e3 \u0111\u1ecdc b\u00e0i vi\u1ebft tr\u01b0\u1edbc, s\u1ebd c\u00f3 c\u00e1i nh\u00ecn t\u1ed5ng qu\u00e1t v\u1ec1 m\u1eb7t ph\u1eb3ng nghi\u00eang. Tuy nhi\u00ean, ch\u00fang ta v\u1eabn n\u00ean nh\u1eafc l\u1ea1i \u0111\u1ecbnh ngh\u0129a c\u1ee7a lo\u1ea1i m\u00e1y c\u01a1 \u0111\u01a1n gi\u1ea3n n\u00e0y. T\u1eeb \u0111\u00f3 ghi nh\u1edb v\u00e0 nh\u1eadn bi\u1ebft d\u1ec5 d\u00e0ng h\u01a1n. Chi\u1ebfc m\u00e1y c\u01a1 \u0111\u01a1n gi\u1ea3n n\u00e0y ch\u00ednh l\u00e0 m\u1ed9t m\u1eb7t ph\u1eb3ng c\u00f3 \u0111i\u1ec3m \u0111\u1ea7u \u0111i\u1ec3m cu\u1ed1i kh\u00f4ng gi\u1ed1ng nhau. Th\u00f4ng th\u01b0\u1eddng, n\u00f3 s\u1ebd c\u00f3 m\u1ed9t \u0111i\u1ec3m n\u1eb1m cao h\u01a1n so v\u1edbi \u0111i\u1ec3m c\u00f2n l\u1ea1i. Chi\u1ec1u cao v\u00e0 chi\u1ec1u d\u00e0i c\u1ee7a m\u1eb7t ph\u1eb3ng n\u00e0y s\u1ebd \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 d\u1ed1c c\u1ee7a chi\u1ebfc m\u00e1y c\u01a1 n\u00e0y.<\/p>\n\n\n\n
\u1ee8ng d\u1ee5ng c\u1ee7a chi\u1ebfc m\u00e1y c\u01a1 \u0111\u01a1n gi\u1ea3n n\u00e0y<\/p>\n\n\n\n
Ch\u00fang ta c\u00f3 th\u1ec3 g\u1eb7p r\u1ea5t nhi\u1ec1u \u1ee9ng d\u1ee5ng c\u1ee7a m\u00e1y c\u01a1 \u0111\u01a1n gi\u1ea3n trong cu\u1ed9c s\u1ed1ng. V\u00ed d\u1ee5 nh\u01b0 con d\u1ed1c, c\u1ea7u tr\u01b0\u1ee3t, b\u1eadc d\u1eaft xe,\u2026 Khi \u0111i l\u00ean d\u1ed1c, n\u1ebfu con d\u1ed1c c\u00e0ng cao \u0111\u1ed9 d\u1ed1c l\u1edbn th\u00ec l\u1ef1c ch\u00fang ta \u0111i l\u00ean s\u1ebd t\u1ed1n r\u1ea5t nhi\u1ec1u. Nh\u01b0ng v\u1edbi nh\u1eefng con d\u1ed1c th\u1ea5p h\u01a1n, \u0111\u1ed9 d\u1ed1c tho\u1ea3i, th\u00ec vi\u1ec7c \u0111i l\u00ean d\u1ed1c c\u0169ng r\u1ea5t nh\u1eb9 nh\u00e0ng. \u0110\u00e2y ch\u00ednh l\u00e0 \u1ee9ng d\u1ee5ng v\u00f4 c\u00f9ng \u0111\u01a1n gi\u1ea3n v\u00e0 d\u1ec5 d\u00e0ng b\u1eaft g\u1eb7p v\u1ec1 m\u1eb7t ph\u1eb3ng nghi\u00eang trong cu\u1ed9c s\u1ed1ng. C\u00f9ng v\u1edbi m\u1ed9t chi\u1ec1u cao, \u0111\u1ed9 d\u1ed1c c\u00e0ng l\u1edbn th\u00ec l\u1ef1c \u0111i l\u00ean c\u0169ng s\u1ebd l\u1edbn.<\/p>\n\n\n\n
Ngo\u00e0i ra, ch\u00fang ta c\u0169ng c\u00f3 th\u1ec3 l\u1ea5y m\u1ed9t v\u00ed d\u1ee5 kh\u00e1c d\u1ec5 d\u00e0ng th\u1ea5y v\u1ec1 m\u1eb7t ph\u1eb3ng nghi\u00eang \u0111\u00f3 ch\u00ednh l\u00e0 b\u1eadc d\u1eaft xe. N\u1ebfu nh\u01b0 \u0111\u1ed9 cao c\u1ee7a m\u1eb7t \u0111\u01b0\u1eddng th\u1ea5p h\u01a1n c\u1eeda nh\u00e0, ch\u00fang ta s\u1ebd c\u1ea7n d\u00f9ng \u0111\u1ebfn b\u1eadc d\u1eaft xe \u0111\u1ec3 \u0111\u01b0a xe v\u00e0o nh\u00e0. Ch\u00fang ta kh\u00f4ng th\u1ec3 n\u00e0o khi\u00eang xe v\u00e0o nh\u00e0 m\u1ed9t c\u00e1ch d\u1ec5 d\u00e0ng \u0111\u01b0\u1ee3c. Ch\u00ednh v\u00ec v\u1eady, b\u1eadc d\u1eaft xe \u0111\u01b0\u1ee3c cho ra \u0111\u1eddi \u0111\u1ec3 s\u1eed d\u1ee5ng trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y. B\u1eadc d\u1eaft xe gi\u00fap ch\u00fang ta d\u1eaft xe v\u00e0o nh\u00e0 d\u1ec5 d\u00e0ng h\u01a1n, t\u1ed1n \u00edt s\u1ee9c l\u1ef1c h\u01a1n vi\u1ec7c khi\u00eang xe. \u0110i\u1ec1u n\u00e0y c\u0169ng \u0111\u1ee7 \u0111\u1ec3 c\u00e1c em th\u1ea5y \u0111\u01b0\u1ee3c l\u1ee3i \u00edch c\u1ee7a m\u1eb7t ph\u1eb3ng nghi\u00eang.<\/p>\n\n\n\n
T\u00ecm hi\u1ec3u th\u00eam v\u1ec1 t\u00e1c d\u1ee5ng c\u1ee7a \u0111\u00f2n b\u1ea9y<\/p><\/blockquote>\n\n\n\n
C\u00e1c m\u00e1y c\u01a1 \u0111\u01a1n gi\u1ea3n<\/p>\n\n\n\n
L\u1ee3i \u00edch c\u1ee7a m\u1eb7t ph\u1eb3ng nghi\u00eang l\u00e0 g\u00ec?<\/p>\n\n\n\n
N\u1ebfu nh\u01b0 l\u1ee3i \u00edch c\u1ee7a c\u00e1c lo\u1ea1i m\u00e1y c\u01a1 \u0111\u01a1n gi\u1ea3n c\u00f3 th\u1ec3 l\u00e0 gi\u1ea3m l\u1ef1c k\u00e9o ho\u1eb7c duy chuy\u1ec3n v\u1eadt l\u00ean v\u1ecb tr\u00ed cao h\u01a1n, ho\u1eb7c l\u1ee3i \u00edch v\u1ec1 chi\u1ec1u. Th\u00ec \u0111\u1ebfn v\u1edbi m\u1eb7t ph\u1eb3ng nghi\u00eang ch\u00fang ta c\u00f3 th\u1ec3 n\u00f3i, n\u00f3 gi\u00fap gi\u1ea3m l\u1ef1c di chuy\u1ec3n v\u1eadt l\u00ean cao. \u0110\u00e2y ch\u00ednh l\u00e0 t\u00e1c d\u1ee5ng ch\u00ednh c\u1ee7a lo\u1ea1i m\u00e1y c\u01a1 \u0111\u01a1n gi\u1ea3n n\u00e0y trong m\u1ecdi tr\u01b0\u1eddng h\u1ee3p. Khi di chuy\u1ec3n m\u1ed9t v\u1eadt n\u1eb7ng l\u00ean m\u1ed9t \u0111\u1ed9 cao cho tr\u01b0\u1edbc theo ph\u01b0\u01a1ng th\u1eb3ng \u0111\u1ee9ng, s\u1ebd c\u00f3 l\u1ef1c k\u00e9o l\u1edbn h\u01a1n l\u1ef1c k\u00e9o v\u1eadt \u0111\u00f3 tr\u00ean m\u1eb7t ph\u1eb3ng nghi\u00eang. \u0110i\u1ec1u n\u00e0y \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u1ee9ng minh v\u00e0 c\u00f4ng nh\u1eadn trong m\u1ecdi tr\u01b0\u1eddng h\u1ee3p.<\/p>\n\n\n\n
\u1ee8ng d\u1ee5ng c\u1ee7a m\u00e1y c\u01a1 \u0111\u01a1n gi\u1ea3n<\/p>\n\n\n\n
\u01afu \u0111i\u1ec3m khi s\u1eed d\u1ee5ng m\u1eb7t ph\u1eb3ng nghi\u00eang<\/p>\n\n\n\n
\u01afu \u0111i\u1ec3m c\u1ee7a chi\u1ebfc m\u00e1y c\u01a1 \u0111\u01a1n gi\u1ea3n n\u00e0y \u0111em l\u1ea1i trong th\u1ef1c t\u1ebf c\u0169ng r\u1ea5t h\u1eefu \u00edch. M\u1eb7t ph\u1eb3ng nghi\u00eang \u0111em \u0111\u1ebfn v\u1ecb tr\u00ed \u0111\u1ee9ng ch\u1eafc ch\u1eafn h\u01a1n khi ch\u00fang ta k\u00e9o v\u1eadt l\u00ean cao. Vi\u1ec7c \u0111\u1ee9ng \u1edf v\u1ecb tr\u00ed cao, k\u00e9o m\u1ed9t v\u1eadt n\u1eb7ng theo ph\u01b0\u01a1ng th\u1eb3ng \u0111\u1ee9ng s\u1ebd g\u00e2y nguy hi\u1ec3m cho ng\u01b0\u1eddi k\u00e9o. V\u1eadt n\u1eb7ng h\u01a1n l\u1ef1c k\u00e9o c\u00f3 th\u1ec3 l\u00e0m ng\u01b0\u1eddi k\u00e9o b\u1ecb chao \u0111\u1ea3o ho\u1eb7c ng\u00e3 xu\u1ed1ng. Tuy nhi\u00ean, khi d\u00f9ng m\u1eb7t ph\u1eb3ng nghi\u00eang, ch\u00fang ta c\u00f3 th\u1ec3 \u0111i\u1ec1u ch\u1ec9nh \u0111\u01b0\u1ee3c v\u1ecb tr\u00ed \u0111\u1ee9ng. T\u01b0 th\u1ebf \u0111\u1ee9ng \u0111\u1ec3 kh\u00f4ng b\u1ecb ng\u00e3. Ch\u01b0a k\u1ec3 \u0111\u1ebfn l\u1ef1c k\u00e9o c\u0169ng gi\u1ea3m b\u1edbt \u0111i \u0111\u01b0\u1ee3c ph\u1ea7n n\u00e0o. T\u1eeb \u0111\u00f3 gi\u00fap k\u00e9o v\u1eadt l\u00ean v\u1ecb tr\u00ed cao d\u1ec5 d\u00e0ng h\u01a1n.<\/p>\n\n\n\n
\u01afu \u0111i\u1ec3m v\u1ec1 v\u1ecb tr\u00ed \u0111\u1ee9ng<\/p>\n\n\n\n
Khi k\u00e9o v\u1eadt l\u00ean cao b\u1eb1ng m\u1eb7t ph\u1eb3ng nghi\u00eang ch\u00fang ta c\u00f2n c\u00f3 th\u1ec3 k\u1ebft h\u1ee3p tr\u1ecdng l\u01b0\u1ee3ng c\u01a1 th\u1ec3 ti\u1ebfp s\u1ee9c cho l\u1ef1c k\u00e9o. Khi k\u00e9o v\u1eadt l\u00ean theo ph\u01b0\u01a1ng th\u1eb3ng \u0111\u1ee9ng. Ch\u00fang ta ch\u1ec9 c\u00f3 th\u1ec3 d\u00f9ng l\u1ef1c k\u00e9o \u0111\u01a1n thu\u1ea7n \u0111\u1ec3 k\u00e9o v\u1eadt l\u00ean. B\u1edfi l\u1ebd, ch\u00fang ta ph\u1ea3i d\u00f9ng tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a c\u01a1 th\u1ec3 \u0111\u1ec3 gi\u1eef v\u1eefng v\u1ecb tr\u00ed \u0111\u1ee9ng. Tuy nhi\u00ean, khi d\u00f9ng m\u1eb7t ph\u1eb3ng nghi\u00eang, ch\u00fang ta \u0111\u01b0\u1ee3c c\u1ed9ng d\u1ed3n c\u1ea3 tr\u1ecdng l\u01b0\u1ee3ng c\u01a1 th\u1ec3. C\u00f9ng v\u1edbi l\u1ef1c k\u00e9o ch\u00fang ta \u0111\u01b0a v\u1eadt l\u00ean v\u1ecb tr\u00ed c\u1ea7n thi\u1ebft. Nh\u01b0 v\u1eady qu\u00e1 tr\u00ecnh k\u00e9o v\u1eadt l\u00ean cao s\u1ebd nhanh h\u01a1n v\u00e0 ch\u1eafc ch\u1eafn h\u01a1n.<\/p>\n\n\n\n
\u01afu \u0111i\u1ec3m v\u1ec1 l\u1ef1c<\/p>\n\n\n\n
\u01afu \u0111i\u1ec3m cu\u1ed1i c\u00f9ng khi s\u1eed d\u1ee5ng m\u1eb7t ph\u1eb3ng nghi\u00eang \u0111\u01b0a v\u1eadt l\u00ean cao \u0111\u00f3 ch\u00ednh l\u00e0 \u01b0u \u0111i\u1ec3m v\u1ec1 l\u1ef1c. Ch\u00fang ta kh\u00f4ng c\u1ea7n m\u1ed9t l\u1ef1c k\u00e9o l\u1edbn h\u01a1n tr\u1ecdng l\u01b0\u1ee3ng c\u1ee7a v\u1eadt. \u0110\u00e2y ch\u00ednh l\u00e0 \u01b0u \u0111i\u1ec3m l\u1edbn nh\u1ea5t m\u00e0 chi\u1ebfc m\u00e1y c\u01a1 \u0111\u01a1n gi\u1ea3n n\u00e0y \u0111em l\u1ea1i. Hi\u1ec7n nay, n\u00f3 \u0111\u00e3 \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o s\u1eed d\u1ee5ng trong th\u1ef1c t\u1ebf r\u1ea5t nhi\u1ec1u. \u0110\u00f3 ch\u00ednh l\u00e0 l\u00fd do c\u00e1c em n\u00ean hi\u1ec3u v\u1ec1 chi\u1ebfc m\u00e1y c\u01a1 \u0111\u01a1n gi\u1ea3n n\u00e0y \u0111\u1ec3 c\u00f3 th\u1ec3 ph\u00e2n t\u00edch b\u00e0i h\u1ecdc. Trong m\u1ed9t s\u1ed1 b\u00e0i t\u1eadp tr\u00ean l\u1edbp, c\u00e1c em c\u1ea7n ph\u1ea3i ph\u00e2n t\u00edch l\u1ef1c khi k\u00e9o v\u1eadt l\u00ean chi\u1ebfc m\u00e1y c\u01a1 \u0111\u01a1n gi\u1ea3n. C\u00e1c em c\u1ea7n ch\u00fa \u00fd \u0111\u1ebfn l\u1ef1c ma s\u00e1t n\u1ebfu \u0111\u1ec1 b\u00e0i cho.<\/p>\n\n\n\n
C\u00e1c d\u1ea1ng b\u00e0i t\u1eadp v\u00e0 ph\u01b0\u01a1ng ph\u00e1p gi\u1ea3i<\/p>\n\n\n\n
\u0110\u1ed1i v\u1edbi m\u1eb7t ph\u1eb3ng nghi\u00eang c\u00e1c em s\u1ebd c\u00f3 r\u1ea5t nhi\u1ec1u d\u1ea1ng b\u00e0i t\u1eadp li\u00ean quan v\u00e0 \u0111\u01b0\u1ee3c h\u1ecdc tr\u00ean l\u1edbp. Ch\u00fang t\u00f4i \u0111\u00e3 t\u1ed5ng h\u1ee3p c\u00e1c d\u1ea1ng b\u00e0i v\u00e0 c\u00e1ch l\u00e0m d\u01b0\u1edbi \u0111\u00e2y \u0111\u1ec3 c\u00e1c em c\u00f3 th\u1ec3 n\u1eafm b\u1eaft d\u1ec5 d\u00e0ng h\u01a1n. C\u00e1c em h\u00e3y ghi ch\u00e9p l\u1ea1i \u0111i\u1ec1u n\u00e0y \u0111\u1ec3 c\u00f3 th\u1ec3 l\u00e0m b\u00e0i t\u1ed1t h\u01a1n.<\/p>\n\n\n\n
D\u1ea1ng 1: X\u00e1c \u0111\u1ecbnh c\u00e1c \u0111\u1eb7c tr\u01b0ng c\u1ee7a m\u1eb7t ph\u1eb3ng nghi\u00eang<\/p>\n\n\n\n
V\u1edbi nh\u1eefng b\u00e0i t\u1eadp d\u1ea1ng nh\u1eadn di\u1ec7n, c\u00e1c em s\u1ebd c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng l\u00e0m \u0111\u01b0\u1ee3c. B\u00e0i t\u1eadp d\u1ea1ng x\u00e1c \u0111\u1ecbnh \u0111\u01b0\u1ee3c \u0111\u00e1nh gi\u00e1 l\u00e0 d\u1ea1ng b\u00e0i t\u1eadp kh\u00e1 d\u1ec5. Tuy nhi\u00ean, v\u1eabn c\u00f3 m\u1ed9t s\u1ed1 b\u00e0i thu\u1ed9c tr\u01b0\u1eddng h\u1ee3p \u0111\u1eb7c bi\u1ec7t, h\u1ecfi m\u1eb9o, c\u1ea7n c\u00e1c em suy ngh\u0129 nhi\u1ec1u h\u01a1n. \u0110\u00e2y ch\u00ednh l\u00e0 c\u00e1ch l\u00e0m c\u00e1c em n\u00ean ghi nh\u1edb v\u00e0 \u00e1p d\u1ee5ng trong b\u00e0i t\u1eadp n\u00e0y:<\/p>\n\n\n\n
\u0110\u1ed9 d\u00e0i chi\u1ebfc m\u00e1y c\u01a1 \u0111\u01a1n gi\u1ea3n n\u00e0y l\u00e0 \u0111\u1ed9 d\u00e0i qu\u00e3ng \u0111\u01b0\u1eddng di chuy\u1ec3n theo \u0111\u01b0\u1eddng nghi\u00eang.<\/p>\n\n\n\n
Qu\u00e3ng \u0111\u01b0\u1eddng di chuy\u1ec3n v\u1eadt theo \u0111\u01b0\u1eddng th\u1eb3ng \u0111\u1ee9ng, n\u1ebfu kh\u00f4ng d\u00f9ng m\u00e1y c\u01a1 \u0111\u01a1n gi\u1ea3n, ch\u00ednh l\u00e0 \u0111\u1ed9 cao c\u1ee7a n\u00f3.<\/p>\n\n\n\n
D\u1ea1ng 2: So s\u00e1nh l\u1ef1c t\u00e1c d\u1ee5ng v\u00e0o v\u1eadt khi s\u1eed d\u1ee5ng chi\u1ebfc m\u00e1y c\u01a1 \u0111\u01a1n gi\u1ea3n n\u00e0y<\/p>\n\n\n\n
Vi\u1ec7c so s\u00e1nh l\u1ef1c t\u00e1c d\u1ee5ng v\u00e0o v\u1eadt khi s\u1eed d\u1ee5ng m\u1eb7t ph\u1eb3ng nghi\u00eang c\u00f3 th\u1ec3 l\u00e0 so s\u00e1nh l\u1ef1c k\u00e9o v\u1eadt v\u00e0 tr\u1ecdng l\u01b0\u1ee3ng v\u1eadt. C\u00e1c em n\u00ean x\u00e1c \u0111\u1ecbnh v\u00e0 ph\u00e2n t\u00edch c\u00e1c l\u1ef1c t\u00e1c d\u1ee5ng v\u00e0o v\u1eadt ch\u00ednh x\u00e1c \u0111\u1ec3 l\u00e0m b\u00e0i t\u1eadp n\u00e0y. S\u1ebd c\u00f3 nh\u1eefng d\u1ea1ng b\u00e0i so s\u00e1nh l\u1ef1c trong vi\u1ec7c s\u1eed d\u1ee5ng c\u00e1c chi\u1ebfc m\u00e1y c\u01a1 \u0111\u01a1n gi\u1ea3n n\u00e0y kh\u00e1c nhau. \u0110i\u1ec1u c\u00e1c em c\u1ea7n ch\u00fa \u00fd trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y ch\u00ednh l\u00e0 chi\u1ec1u cao v\u00e0 \u0111\u1ed9 d\u00e0i.<\/p>\n\n\n\n
D\u01b0\u1edbi \u0111\u00e2y l\u00e0 nh\u1eefng l\u01b0u \u00fd c\u1ea7n nh\u1edb khi l\u00e0m b\u00e0i:<\/p>\n\n\n\n
C\u00f9ng \u0111\u1ed9 cao k\u00ea m\u1eb7t ph\u1eb3ng nghi\u00eang. \u0110\u1ed9 d\u00e0i c\u00e0ng l\u1edbn th\u00ec l\u1ef1c c\u1ea7n \u0111\u1ec3 \u0111\u01b0a v\u1eadt l\u00ean c\u00e0ng nh\u1ecf<\/p>\n\n\n\n
C\u00f9ng \u0111\u1ed9 d\u00e0i m\u1eb7t ph\u1eb3ng nghi\u00eang. \u0110\u1ed9 cao c\u00e0ng l\u1edbn th\u00ec l\u1ef1c c\u1ea7n \u0111\u1ec3 \u0111\u01b0a v\u1eadt l\u00ean c\u00e0ng l\u1edbn.<\/p>\n\n\n\n
D\u1ea1ng 3: X\u00e1c \u0111\u1ecbnh m\u1eb7t ph\u1eb3ng nghi\u00eang trong th\u1ef1c t\u1ebf.<\/p>\n\n\n\n
V\u1edbi d\u1ea1ng b\u00e0i t\u1eadp x\u00e1c \u0111\u1ecbnh m\u1eb7t ph\u1eb3ng nghi\u00eang trong th\u1ef1c t\u1ebf c\u00e1c em ch\u1ec9 c\u1ea7n nh\u1edb \u0111\u1ebfn h\u00ecnh d\u00e1ng c\u1ee7a m\u1eb7t ph\u1eb3ng nghi\u00eang l\u00e0 c\u00f3 th\u1ec3 l\u00e0m \u0111\u01b0\u1ee3c b\u00e0i. C\u00e1c em n\u00ean h\u1ecdc thu\u1ed9c \u0111\u1ecbnh ngh\u0129a v\u1ec1 lo\u1ea1i m\u00e1y c\u01a1 n\u00e0y \u0111\u1ec3 c\u00f3 th\u1ec3 ph\u00e2n bi\u1ec7t t\u1ed1t h\u01a1n. Ngo\u00e0i ra, \u0111\u1ed1i v\u1edbi c\u00e1c m\u1eb7t ph\u1eb3ng c\u00f3 hai \u0111\u1ea7u \u1edf hai v\u1ecb tr\u00ed cao th\u1ea5p kh\u00e1c nhau. Chi\u1ebfc m\u00e1y c\u01a1 n\u00e0y gi\u1ed1ng v\u1edbi h\u00ecnh d\u00e1ng c\u1ee7a tam gi\u00e1c vu\u00f4ng. \u0110\u1ed9 d\u00e0i c\u1ee7a n\u00f3 hay qu\u00e3ng \u0111\u01b0\u1eddng di chuy\u1ec3n v\u1eadt tr\u00ean m\u1eb7t ph\u1eb3ng nghi\u00eang ch\u00ednh l\u00e0 c\u1ea1nh huy\u1ec1n. Chi\u1ec1u cao c\u1ee7a m\u00e1y c\u01a1 \u0111\u01a1n gi\u1ea3n n\u00e0y ch\u00ednh l\u00e0 c\u1ea1nh g\u00f3c vu\u00f4ng t\u00f9y theo v\u1ecb tr\u00ed c\u1ea7n \u0111\u01b0a v\u1eadt l\u00ean.<\/p>\n\n\n\n
Nh\u1eefng d\u1ea1ng b\u00e0i t\u1eadp n\u00e0y \u0111\u1ec1u \u0111\u01b0\u1ee3c giao r\u1ea5t nhi\u1ec1u trong c\u00e1c b\u00e0i ki\u1ec3m tra, b\u00e0i thi c\u1ee7a c\u00e1c em. N\u1ebfu c\u00e1c em kh\u00f4ng nh\u1edb th\u00ec c\u00f3 th\u1ec3 \u0111\u1ecdc l\u1ea1i, l\u00e0m l\u1ea1i nhi\u1ec1u l\u1ea7n \u0111\u1ec3 ghi nh\u1edb c\u00e1ch l\u00e0m. C\u00e1c d\u1ea1ng b\u00e0i c\u00f3 th\u1ec3 ph\u00e2n chia t\u1eeb d\u1ec5 \u0111\u1ebfn kh\u00f3, y\u00eau c\u1ea7u t\u00ednh to\u00e1n t\u00f9y theo \u0111\u1ec1 b\u00e0i. Tr\u01b0\u1edbc khi l\u00e0m, c\u00e1c em n\u00ean x\u00e1c \u0111\u1ecbnh d\u1ea1ng b\u00e0i \u0111\u1ec3 ho\u00e0n th\u00e0nh t\u1ed1t nh\u1ea5t.<\/p>\n\n\n\n
C\u00f3 th\u1ec3 n\u00f3i, nh\u1eefng \u0111i\u1ec1u c\u1ea7n bi\u1ebft v\u1ec1 m\u1eb7t ph\u1eb3ng nghi\u00eang \u0111\u00e3 \u0111\u01b0\u1ee3c ch\u00fang t\u00f4i \u0111\u1ec1 c\u1eadp \u0111\u1ebfn trong b\u00e0i vi\u1ebft tr\u00ean \u0111\u00e2y. Hy v\u1ecdng nh\u1eefng ki\u1ebfn th\u1ee9c n\u00e0y c\u00f3 th\u1ec3 gi\u00fap c\u00e1c em l\u00e0m b\u00e0i. T\u1eeb \u0111\u00f3 h\u1ecdc t\u1eadp<\/a> t\u1ed1t h\u01a1n trong m\u00f4n V\u1eadt L\u00fd 6. C\u00e1c em h\u00e3y ghi ch\u00e9p l\u1ea1i nh\u1eefng ki\u1ebfn th\u1ee9c c\u1ea7n thi\u1ebft \u0111\u1ec3 v\u1eadn d\u1ee5ng v\u00e0o b\u00e0i t\u1eadp nh\u00e9! C\u1ea3m \u01a1n c\u00e1c em \u0111\u00e3 \u0111\u00f3n \u0111\u1ecdc b\u00e0i vi\u1ebft n\u00e0y. C\u00e1c em c\u00f3 th\u1ec3 t\u00ecm hi\u1ec3u th\u00eam c\u00e1c ki\u1ebfn th\u1ee9c v\u1ec1 v\u1eadt l\u00fd t\u1ea1i trang ch\u1ee7 c\u1ee7a ch\u00fang t\u00f4i.<\/p>\n\n\n\n
T\u00ecm \u0111\u1ecdc th\u00eam c\u00e1c b\u00e0i vi\u1ebft kh\u00e1c<\/p><\/blockquote>\n\n\n\n
T\u00ecm hi\u1ec3u v\u1ec1 r\u00f2ng r\u1ecdc c\u1ed1 \u0111\u1ecbnh? Gi\u1ea3i \u0111\u00e1p ki\u1ebfn th\u1ee9c v\u1eadt l\u00fd 6<\/p>\n\n\n\n
V\u1eadt l\u00fd 6: T\u00ecm hi\u1ec3u v\u1ec1 hai l\u1ef1c c\u00e2n b<\/p>\n\n\n\n\n\n\n","protected":false},"excerpt":{"rendered":"
Ghi ch\u00fa: T\u00e0i li\u1ec7u tr\u00edch d\u1eabn N\u1ebfu nh\u01b0 \u1edf b\u00e0i vi\u1ebft tr\u01b0\u1edbc, c\u00e1c em ch\u1ec9 \u0111\u01b0\u1ee3c t\u00ecm hi\u1ec3u qua v\u1ec1 c\u00e1c lo\u1ea1i m\u00e1y c\u01a1 \u0111\u01a1n gi\u1ea3n. Th\u00ec \u1edf trong b\u00e0i vi\u1ebft n\u00e0y, c\u00e1c em s\u1ebd \u0111\u1ebfn v\u1edbi nh\u1eefng \u0111i\u1ec1u chi ti\u1ebft v\u1ec1 m\u1eb7t ph\u1eb3ng nghi\u00eang. \u0110\u00e2y l\u00e0 m\u1ed9t trong s\u1ed1 nh\u1eefng chi\u1ebfc m\u00e1y c\u01a1 \u0111\u01a1n […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[4,7],"tags":[],"class_list":["post-1151","post","type-post","status-publish","format-standard","hentry","category-trung-hoc","category-vat-ly"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/1151","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=1151"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/1151\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=1151"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=1151"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=1151"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}