你可能感兴趣的试题

单项选择题

全波对称振子臂中点处的电流幅度为振子臂上电流最大值的【】倍。

A．0.38
B．0.76
C．0.50
D．1.0

问答题

（Fill in the blank）When both the Prandtl number and the Schmidt number are approximately 1, 𝑷𝒓≈𝑺𝒄≈𝟏，We have the same Stanton number as the mass transfer Stanton number, and both are equal to half of the friction coefficient. This is the famous analogy of [填空1].