It pointed out that the design of gear cutter should greatly increase the tooth point arc so as to reduce the stress concentration to increase the force of tooth root.

指出通过计算作出图形，可分析出滚刀齿顶圆弧的设计是否合理。

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At that point in my life, I still believed in the magical trifecta—Santa Claus, the Easter Bunny, and the Tooth Fairy.

在我的生命中，对于此，我仍然相信不可思议的三连胜式——圣诞老人、复活节小兔和换齿仙子。

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These formulae are suitable for any contacting point of tooth surface meshing.

这些公式适用于齿面啮合的任何接触点。

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An ingenious new laser called Waterlase adds to that the ability to cut through dry teeth and bone by casting a cloud of hot water vapor around the laser's cutting point, a couple of millimeters from the tooth.

FORBES: Magazine Article

The larger point here is that the Democratic Party should have been fighting the outsourcing trend tooth and nail.

FORBES: Three Reasons Why Hillary Will -- Unfortunately -- Never Be President

The wider point here is that Blatter's tenure as FIFA president has been internationalist in tooth and claw.

CNN: Sympathy for the 'devil': In defense of Sepp Blatter