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So often people are working hard at the wrong thing. Working on the right thing is probably more important than working hard.
' J3 r( ]5 U" G) @很多时候人们努力错了方向,在对的事情上努力可能比努力本身还重要。+ Q9 V3 V+ f) c$ j9 x
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# P! s& N6 [( X' iGears are compact, positive-engagement, power transmission elements in gearing transmission, which determine the speed, torque, and direction of rotation of driven machine elements.
g9 U8 ^7 f8 s( J句意:在啮合传动中,齿轮是一种结构紧凑的、强制性啮合的动力传输元件,它可以决定速度、转矩和被驱动的机器零件的旋转方向。) p' Y0 ~/ E6 C+ b1 k) m
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accommodate [ə'kɔmədeit] v. 容纳;使适应;为…提供住宿4 C; z+ D/ {$ D: Y, |
addendum [ə'dendəm] n. 齿顶高
' s% k9 w: ?) Q: ~8 L8 Vaxial pitch 轴向节距5 O6 ]5 ]: s" h" Z% k/ _, Q
backlash [bæklæʃ] n. 侧隙+ z* M/ a+ E; Y. E
base circle 基圆
/ @3 j, z. i! \/ L# u( h" ?; `base pitch 基节9 F! d, F! [9 G1 p& ]- }
bevel gear 锥齿轮+ w0 z) r) X1 Y( M% H6 `
circular pitch 周节$ z; D& v( Q# |1 M* h
dedendum [di'dendəm] n. 齿根高
7 v) f4 H9 W1 e' S, Z! u# r0 a) Cdiametral pitch 径节6 H k7 V! z3 d/ {8 g( e6 l7 y, N$ c! M
differential [ˌdifə'renʃəl] adj. 差别的,区别的 n. 差别,差异;微分% H( d! l$ k6 p8 P3 f/ J3 T h
double-enveloping 二次包络" P5 g6 }/ m. [ f) y" E
face width 齿宽
; X0 i. M8 |! gflank [flæŋk] n. 侧面- Q, n+ N% {2 \; o. S! q
geometry [dʒi'ɔmitri] n. 几何,几何学1 N- s0 @; q; t( z% ?
helical gear 斜齿轮3 V4 o r4 ?9 c7 G
hypoid gear 伞齿轮
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