Equipment is called an equation of condition in that it is true only for certain values of unknown quantities in it.

方程又称为条件等式，因为其中的未知量通常只允许取某些特定的值。

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Based on the analysis of the equation and condition, the starting current velocity formula about the pill sediment is further proved.

通过该方程与水沙条件的分析，进一步验证了散粒体泥沙起动的流速公式。

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ESJ is common in the modern radar jamming technology, this paper introduces a calculating method of radars detection area by using jamming equation on the condition of ESJ.

随队干扰是现代雷达干扰技术中常见的情况，文中讨论了在随队干扰环境中，通过干扰方程来求解雷达的暴露区的算法。

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