Thestaircase-like increasing off(s) obeys an exact differential gap equation, which can be solved analytically.

的阶梯式增长服从一个精确的隙距方程，该方程有精确解。

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The limit value of the steam turbine's relative differential expansion is stipulated synthetically according to the structure, material and the installational axial gap size and so on.

汽轮机相对胀差上下极限值是根据汽轮机的结构、材料、安装轴向的间隙尺寸等因素综合考虑规定的。

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In this paper, the sufficient condition for self-excited oscillation of dynamic systems with gap is given by using qualitative method of differential equations.

本文应用微分方程的定性方法，给出具有间隙动力系统产生自激振动的一个充分条件。

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That this pay differential between senior and junior employees bears an uncanny resemblance to the gap found in America's legitimate businesses is, of course, entirely coincidental.

ECONOMIST: Mean streets

The differential at this scale is nominal, meaning that Google is doing a good job at closing the app download gap.

FORBES: Is Google the New 'Think Different?'