The standard air defense fire unit theory demand was calculated by adopting damage probability method and damage target mathematical expectation method.

标准防空火力单元理论需求量采用毁歼概率法和毁歼目标数学期望法计算。

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In addition, the system can also forecast the danger state of certain unit by grey prediction theory.

除此之外，本系统还可以用灰预测理论对某一单元的危险状态进行预测。

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Its foray into autos raised concern about the driver distraction implications of its Terminal mode head unit device, an innovation that is right-on, in theory, but poorly executed.

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