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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 H c* i2 X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。- u8 W2 D/ [8 _+ [$ ?! F
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Gears are compact, positive-engagement, power transmission elements in gearing transmission, which determine the speed, torque, and direction of rotation of driven machine elements./ ]9 D$ z$ K# y* |
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。3 |* W3 X+ U0 r* ?( \, n$ B
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' l! E' a' V. d! q* q2 b+ Eaccommodate [ə'kɔmədeit] v. 容纳;使适应;为…提供住宿6 r" L" o+ c8 F5 P/ a8 }& D
addendum [ə'dendəm] n. 齿顶高' C4 @% k9 t& ]4 Y' F
axial pitch 轴向节距
& A/ E/ }9 I! M C) R( F1 ?backlash [bæklæʃ] n. 侧隙
9 W3 Y {. y4 o- V8 Ibase circle 基圆8 q. ~; m$ p; |! ]. H
base pitch 基节* p. J* `# [& v v# n. u9 X' t) o
bevel gear 锥齿轮
# P( _3 C& s% a9 M- ncircular pitch 周节
1 A& [& D0 m% rdedendum [di'dendəm] n. 齿根高/ H/ T6 E9 k5 V. b
diametral pitch 径节: b+ F- r, j8 d9 o
differential [ˌdifə'renʃəl] adj. 差别的,区别的 n. 差别,差异;微分 X% X* y+ r: z1 m
double-enveloping 二次包络9 x q# R% r, c3 F
face width 齿宽
8 ?" b( R! A6 P1 i* u. dflank [flæŋk] n. 侧面# G: l1 k4 G5 X, s1 y, C2 X, i
geometry [dʒi'ɔmitri] n. 几何,几何学% a& H* K! F# ^1 J' D- J( V U+ A7 I
helical gear 斜齿轮' R/ I0 A+ ]- F8 @3 J& }
hypoid gear 伞齿轮- N2 R4 B, g. I1 f# F) W
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