The gear sector, toothed roller, or stud meshes with the worm.

齿轮 、带齿滚柱或指销，用以和蜗杆啮合。

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An example of designing and calculating variable ratio gear sector profile by the method is given.

给出了应用该方法完成变速比齿扇齿廓设计计算的实例。

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The gear sector of variable transmission ratio in automobile steering mechanism is a variable module non-circular gear.

变传动比汽车转向器齿扇是变模数的非圆齿轮。

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The answer: a company that sells wireless communications gear to other companies and the public sector.

FORBES: The Other Motorola

Information technology is a relatively safe sector but fiber-optic gear outfit Ciena is four times as risky as the market as a whole.

FORBES: Magazine Article

So beginning about five years ago, the military took a cue from the private sector and allowed brand names on some gear issued to soldiers.

FORBES: Polartec At The Front