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1 i! F/ M2 \5 u$ v K" o8 j: {9 zSo often people are working hard at the wrong thing. Working on the right thing is probably more important than working hard.0 y; C; M% _# Q; |
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。
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: F; x- h1 d2 H9 \2 ~, v, @3 g4 JGears are compact, positive-engagement, power transmission elements in gearing transmission, which determine the speed, torque, and direction of rotation of driven machine elements.
0 a0 W+ t9 V' ~9 d) n3 i4 {7 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。' U- U- B9 y7 }/ g
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accommodate [ə'kɔmədeit] v. 容纳；使适应；为…提供住宿
: r3 R+ H! Q# j& @addendum [ə'dendəm] n. 齿顶高$ v; h- g8 r, J: I3 z5 i
axial pitch 轴向节距* f, [) P$ c' ]# R- A
backlash [bæklæʃ] n. 侧隙2 ~. ~+ `* E+ `* N( r0 k
base circle 基圆
9 O! u% p+ }8 U: f3 i: Dbase pitch 基节
7 d+ q( t( [, E6 F* G6 t6 X: ybevel gear 锥齿轮: l/ N2 }$ f' Q8 O7 b4 w; h& W
circular pitch 周节; s3 }5 M3 A c5 [2 V
dedendum [di'dendəm] n. 齿根高8 p" i- O; ]# B3 K4 V" W: L
diametral pitch 径节
' Z' H2 |' A, F1 p6 y9 J# P3 ?differential [ˌdifə'renʃəl] adj. 差别的，区别的 n. 差别，差异；微分$ k% w" V8 \. { F% h
double-enveloping 二次包络
, E( Z' N1 [5 K- }face width 齿宽' f6 n" z+ c6 d1 @. J
flank [flæŋk] n. 侧面% M: H( P* e+ @5 s% l
geometry [dʒi'ɔmitri] n. 几何，几何学/ b! n7 E: @+ H
helical gear 斜齿轮6 R& z8 c5 i$ ~
hypoid gear 伞齿轮1 |3 ~7 r. {: P' \. p# V) r# ? n
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