“用复数”造句

这里你应该用复数代词.
Here you should use plural pronoun.

这里有关于用复数来讲二维力学的简短讨论.
There is a brief discussion of two dimensional mechanics in terms of complex numbers.

用复数算术推导了正弦,余弦的加法公式.
We derive the addition formulas for sine and cosine from the arithmetic of complex numbers.

• #用复数