We want to do that because we have too many variables here. We've already got dV p we'll get rid of p as an additional variable and replace it with V which is already in here.
我们之所以要那么做,是因为这儿有太多变量了,我们已经有了dV，我们要把,作为额外的变量消去，用已存在的V代换它。
As air distributor in a variable air volume system, the performance of slot diffuser is the best one, but the type of diffuser is too expensive, so at home many firms try to choose square diffuser.
条缝形散流器作为变风量系统的空气分布器其性能是最好的，但这种条缝形散流器过于昂贵，故国内许多公司选择采用方形散流器。
For example, a manager could change the variable of the time frame in which to search for enough fraud warnings if too many false positives are being registered.
例如，如果登记了太多的负面事件，经理可以去更改时帧(time frame)变量，以便搜索出足够的欺诈(fraud)警告。
Using too many or too too few characters(variable) in Intrusion Detection System(IDS) leads to reduce recognizing correctness of IDS.
用于网络入侵检测系统（IDS）的特征（变量）数量太多或太少都会降低IDS识别入侵者的正确率。
But as with many businesses in China, the electric-bike industry is plagued by too much capacity, thin margins and variable quality.
但是同大陆的很多行业相似，电动自行车行业也因产量过大、利润微薄和质量不稳定等因素而举步维艰。
But as with many businesses in China, the electric-bike industry is plagued by too much capacity, thin margins and variable quality.
但是同大陆的很多行业相似，电动自行车行业也因产量过大、利润微薄和质量不稳定等因素而举步维艰。
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