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## second power

• 二次幂：在代数中，一个数的平方是此数与它的本身相乘所得的乘积，一个元素的平方是此元素与它的本身相乘所得的乘积，记作x²。平方也可视为求指数为2的幂的值。若x是正实数，这个乘积相当于一个边长为x的正方形的面积；如果x为虚数，则这个乘积为负数。如果x为非虚数的复数，则这个乘积也是复数。

### 网络释义专业释义英英释义

[数] 二次幂

second power bezier curve 二次bezier曲线

Two-mode second-power H-squeezing 双模光场的二次方H压缩

second power plant 第二发电厂

second power average 二次幂平均

second power equipment 电力二次设备

A second power line 一出二电源线

更多收起网络短语
• 二次幂
平方

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#### second power

• n. the product of two equal terms

同义词： square

### 双语例句原声例句权威例句

• A lot of their work comes down to measurement—everything from the exact angle of a swimmer's dive to the second-by-second power output of a cyclist.

他们许多工作都归结测量——游泳运动员跳水准确角度自行车运动员每秒动力输出

• A second power shift is likely to be from the European Commission to national leaders.

第二权利转换可能是从欧盟委员会各国领导人身上转移。

• In either case the internal friction is found to be proportional to the first and second power of (1-s), where is the degree of long range order.

这两种情况中，内耗正比于(1 - S)二次这里s是长程有序程度

• But it was not until eighteen fifteen and the Second Barbary War that the power of the Barbary pirates was broken.

VOA: special.2009.05.27

• Something raised to the second power has got to be positive.

二次方的东西,也一定是正数。

麻省理工公开课 - 固态化学导论课程节选

• Here, divine force reduces to brute power as it does in "The Magi" and "The Second Coming."

这儿，圣之力变成了兽之力,《东方三贤》和《第二次降临》

耶鲁公开课 - 现代诗歌课程节选

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- 来自原声例句