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+ S& ?. j: v' }( k$ V$ }" X9 gSo often people are working hard at the wrong thing. Working on the right thing is probably more important than working hard.9 g" \% Z5 I/ g; E, a' I, L5 N
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。9 v3 v! E; c2 _
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. _# c. e; X% D. C; W& b. X$ O# oGears are compact, positive-engagement, power transmission elements in gearing transmission, which determine the speed, torque, and direction of rotation of driven machine elements.7 s$ W" Q( \0 D% m, s* S' H. W7 N
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。
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accommodate [ə'kɔmədeit] v. 容纳;使适应;为…提供住宿, b) J) n4 }% k' {9 w
addendum [ə'dendəm] n. 齿顶高
$ l' \& o9 A2 t8 ?) R* V% Uaxial pitch 轴向节距5 {2 ]# L7 a0 u6 w) A+ x( ?! h$ @
backlash [bæklæʃ] n. 侧隙
- U( b; j- C7 `4 C, S, k5 O4 t" @base circle 基圆
+ n5 r$ u: F8 S M' H: Qbase pitch 基节
% [# @+ o8 k$ z- Gbevel gear 锥齿轮
6 M: q+ V2 Z6 Z& Zcircular pitch 周节% Z+ |" f7 v# b& p
dedendum [di'dendəm] n. 齿根高1 o- H1 b8 {( w6 Y c4 Q" x$ T
diametral pitch 径节
9 M: M5 K- k; s8 u2 s4 Qdifferential [ˌdifə'renʃəl] adj. 差别的,区别的 n. 差别,差异;微分. k P/ d4 Z; I. ?7 v0 {
double-enveloping 二次包络8 ?) D4 L1 [! A, z8 ^* U4 [
face width 齿宽
5 Y8 `6 G3 b$ O3 A$ }flank [flæŋk] n. 侧面. n2 C& Q5 {5 F0 ]
geometry [dʒi'ɔmitri] n. 几何,几何学2 d: v: d2 w" D' c* ]3 l) Q
helical gear 斜齿轮 Q% M: T) i4 g4 N& J5 B9 n/ ]
hypoid gear 伞齿轮
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