Taking the tooth shape chain board as the study object, its main parameters were measured.

系统以齿形链板为研究对象，对其主要参数进行测量。

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Conclusion in tooth shape keys, the tooth slope angel increases, along with slope Angle of duplicated trace decrease.

结论凸齿钥匙上仿形刀增配痕迹倾斜角度随齿坡角的增大而减小。

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The tooth shape, fit and mark of clamping connection and pipe connection inch threads commonly used are introduced and their seal features.

介绍了常见的用于紧固联接英寸制螺纹和用于管道连接英寸制螺纹的牙形、配合和标识，以及管螺纹的密封特点。

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This gene is expressed only in cells in primordia that are destined to become molars, so it is probably a gene that controls the shape of a tooth.

ECONOMIST: It may soon be possible for adults to grow new teeth

Of those on board, 25% had no significant tooth decay, leading Admiral Lippiett to suggest the "shape of their teeth was far better than in today's society".

BBC: NEWS | UK | Magazine | Just what did the Mary Rose tell us?