| 释义 |
乘方chéngfāng
1.求一个数自乘若干次的积的运算,如数ɑ自乘3次(ɑ×ɑ×ɑ),就是ɑ的3次乘方,写作ɑ3。{involution; an arithmetic operation in which a number is multiplied a certain number of times for its power, such as number ‘ɑ’ times itself three times (ɑ×ɑ×ɑ), written as ɑ3}
2.一个数自乘若干次所得的积。{power product obtained when a number is multiplied by itself a certain number of times;}也叫also乘幂(chéngmì)。 |