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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Besides, the relationship between the tooth shape and the helix Angle, and the number of teeth are studied.

分析了端面齿廓形状与螺旋角及齿数的关系。

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This paper puts forward a design method of pulley hob with parabolic tooth shape, which is used in the high torque drive.

提出了高扭矩抛物线齿同步带轮滚刀齿形的设计方法。

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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?