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声相关计程仪测得的船速V与前后两换能器间距离S及信号延时τ的关系是()。A.V分别与

题型:单项选择题

题目:

声相关计程仪测得的船速V与前后两换能器间距离S及信号延时τ的关系是()。

A.V分别与S和τ成正比

B.V分别与S和τ成反比

C.V与S成正比,与τ成反比

D.V与τ成正比,与S成反比

答案:

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