2024.11.22( T& D* y! W0 J1 ]7 e" ? {
$ L: ~; C. m7 c. J8 D: O* r# q: P
So often people are working hard at the wrong thing. Working on the right thing is probably more important than working hard.
+ h4 }7 m$ y7 S; G) d! o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。
& r6 M+ }( x( {% S9 u2 F4 u9 e2 I+ B$ Q9 D& Y
0 J4 I. J4 q" N9 t+ u+ o
Gears are compact, positive-engagement, power transmission elements in gearing transmission, which determine the speed, torque, and direction of rotation of driven machine elements.$ N0 A$ q& t" g, N* Q5 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。
7 J. `7 Z1 Y# g2 W- k- m5 t5 O4 I; g/ w+ I: O' m
8 x9 S% B. K) i; k6 {
$ f% x6 i( S. M) G ~& faccommodate [ə'kɔmədeit] v. 容纳;使适应;为…提供住宿
: |: Q |& w$ w, Y2 f% l& t( |addendum [ə'dendəm] n. 齿顶高# |) p& U' K+ ^, b
axial pitch 轴向节距 l! f6 N; }3 B0 a
backlash [bæklæʃ] n. 侧隙
5 ?7 K& B: e8 T- I/ V, rbase circle 基圆
$ S; ~$ U% l. d# ?; tbase pitch 基节, Q) g' Q2 P# H
bevel gear 锥齿轮
: n. B4 L# ~! Z( c& Bcircular pitch 周节
1 S# p2 n5 ^# U6 Q# O9 bdedendum [di'dendəm] n. 齿根高. l. t( P. d+ n
diametral pitch 径节! k7 `( h* W! u5 O) z* f7 U
differential [ˌdifə'renʃəl] adj. 差别的,区别的 n. 差别,差异;微分
, G# B9 `+ U. hdouble-enveloping 二次包络
. W/ K1 t. F5 x' t- kface width 齿宽
! ^4 ^- W) a9 i' Zflank [flæŋk] n. 侧面) u, @2 P2 X" m1 p& H, k
geometry [dʒi'ɔmitri] n. 几何,几何学
) ~2 [2 Q/ X5 f5 _! c0 rhelical gear 斜齿轮: v: V# I* ?, C
hypoid gear 伞齿轮" y- P, i7 O: G4 a0 J
/ X: ^' ~ `, W, J; G/ f. {0 h3 Z/ Y# ^7 s2 m4 V- s
|