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【单选题】
下列关于差分对( Differential Pair )描述中错误的是?A.
差分对（ Differential Pair ）是指电路板中的一种高速信号布线模式
B.
差分对（ Differential Pair ）由两条反相信号线构成。
C.
差分对（ Differential Pair ）通常保持两条信号线必须是等长与等距布线。
D.
差分对（ Differential Pair ）只能用在模拟信号的，不能用在数字信号的。
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