You pass a formula used as a predicate to see if it is a valid rule for the element.

您传递一个用作谓词的公式，检查它是否是一个有效的元素规则。

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Through analysis to factors and targets, finding out rule about influencing function, discovering the best formula of insulation against heat.

通过对因素与指标的分析，找出因素对性能影响的规律，在此基础上找出隔热材料最佳配方。

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The paper offers the theoretically base for design of the biscuit formula and its change rule by analysing the effect of oil and fat, sugar and loose agent on biscuit quality.

研究了油脂、糖类及疏松剂对饼干质量的影响，给出了其变化的规律，为饼干的配方设计提供了理论依据。

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With the championship on the line and an often-unstoppable rival in Vettel, they used every advantage they could legally justify even those buried deep inside the Formula One rule book.

WSJ: Alonso Happy to Spoil the Party

The city is even more holy to Jews than it is to Muslims, and many Israelis who approve of a formula that trades land for peace nevertheless rule out concessions to the Palestinians over Jerusalem.

ECONOMIST: Unholy mess in the holy city