It is a rigid rule in our home to return before ten.

十点之前回家是我们家的死规定。②严厉的。

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This part discusses synthesized issues of haste return mechanism, rigid object lead mechanism, function creating mechanism and track building mechanism.

研究急回机构综合，刚体导引机构综合，函数生成机构综合，轨迹生成机构的综合性问题。

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On the effect boundary, risk is return's rigid monotony increase by degrees convex function , return is risk's rigid monotony increase by degrees concave function.

在有效前沿上，风险是收益的严格单调递增凸函数，收益是风险的严格单调递增凹函数。

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The bamboo core, which runs the length of the ski with its grain running in a continuous line, gives the Peacepipe a rigid core that can return as much energy as a skier can put in.

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