产品极性与尺寸图所标注的极性相反；
全平衡差分芯片转换成平衡信号的极性相反的单端信号。
The fully balanced differential chip converts the single ended signal into a balanced signal with opposite polarity.
极性相反的可以看出，微软的商业模式，向消费者传递成本。
The polar opposite can be seen in Microsoft's business model, which passes costs to consumers.
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