double-angles的意思|示意
美 / 'dʌbl'æŋɡlz /
英 / 'dʌbl'æŋɡlz /
[医]双角的
double-angles相关例句
The trigonometric terms should be changed by the substitution of the equations involving the double angles.
用倍角公式代换三角函数项.
辞典例句