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1·The anomaly of tooth number is mostly due to hereditary factors.

遗传因素对牙齿数目异常起主导作用。

2·This paper advanced a practical and succinct formula for tooth number choice of involute gear.

从等强度概念出发，推出一个据以选取渐开线齿轮齿数的简单、实用公式。

3·The newborn dolphin's teeth are buried in the gum. The tooth number and distribution style of newb…

出生后的幼仔齿包埋在齿龈中，其齿数、齿式和成体一样。

4·The design of involute planetary gear pair with a slightly different tooth number of zero restraint is introduced.

文中还介绍了零约束渐开线少齿差行星齿轮传动的机构设计。

5·Through theoretical analyzing this paper also amends the rounding-off method for making spanned tooth number K even.

本文还通过理论分析对跨齿数K值圆整时的四舍五入法则进行了修改。

6·The stub gear tooth is often adopted in the involute planetary gear transmission with a few tooth number difference.

在渐开线少齿差行星传动中通常使用短齿，其齿根高与正常齿相同，而齿顶高小于正常齿。

7·We review the existing problems, the present and future of the research on inner planetary gears with small tooth number differences.

评述了少齿差内齿行星齿轮传动的研究现状、存在的问题和将来的研究方向。

8·Three-ring gear transmission is a novel type of planetary transmission with small tooth number difference, which was invented by a Chinese engineer.

三环传动是我国科技人员发明的新型的少齿差行星传动装置。

9·The approach presented to achieve the modification coefficient and the minimum tooth number is applicable to the silent chain mechanism with all kinds of pitches.

求解变位系数和最小齿数的方法可适用于所有节距的齿形链机构。

10·As the gap of teeth of internal matins gears with small tooth number difference is small, several teeth will mate simultaneously after the teeth are deformed by load.

渐开线少齿差齿轮副，由于是内啮合，齿轮副的齿对之间的间隙很小，在受力后轮齿变形而使得同时有多对齿啮合。