In cooperation with computer control step motor, the positioning system has such advantages as automatization, high precision, large view field and non contact etc.

该系统与计算机控制的步进电机配合使用，具有自动化程度高、大视场高精度和非接触性等优点。

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The kinetic equation was derived by supposing that the surface reaction between adsorbed hydrogen and adsorbed benzene is the control step of the rate.

另一种吸附苯、环己烷及反应中间物，并假定吸附氢与吸附苯间的表面反应为过程的控制步骤，从而导出动力学方程。

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On the basis of analyzing the control step for ice conversing to hydrate and introducing the sign function, the unreacted core shrinking model for hydrate formation was proposed.

在对冰转化为水合物控制步骤分析的基础上，引入符号函数并提出一个改进的未反应核收缩模型来描述冰转化为水合物的动力学。

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The pact is a modest but important step forward, according to Kingston Reif, at the Washington-based Center For Arms Control and Non-Proliferation.

VOA: standard.2010.04.04

Earlier this week, Secretary Geithner and Federal Reserve Chairman Ben Bernanke also discussed with Congress another step which would enable the government to take control of major non-bank financial institutions threatened with collapse.

VOA: standard.2009.03.26

Its so far successful facedown with the once-powerful mechanics' union may have broad echoes across a beleaguered airline industry as the nation's fourth-largest carrier takes a step toward getting its labor costs under control--a necessity if it's to avoid a bankruptcy filing this fall.

FORBES: Northwest Saves Its Skin

For example, conventional wisdom in the West is that the birth-control pill was an essential step toward women's liberation.

ECONOMIST: The new women in Japan

This is the first step toward self-control, and if self-control ever catches on, perhaps your next audience will take their eyes off their CrackBerries and focus on you.

FORBES: Rx: CrackBerry Addiction