正负
new
正负的英文翻译
基本释义
参考释义
- 正负 [zhèng fù]
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- plus-minus
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短语正负变换器(计算机的) sign changer正负校验check plus minus正负接面p-n junction正负接面二极体p-n junction diode正负突变型sign mutant
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正负的用法和样例:
例句
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电(子)之所以流动,是因为干电池上正负两端上的电的状况有差别所致,对于这种差别,我们称之为“电位差”。
The difference in the electrical condition of the terminals "+" and "-" of the dry cell which tends to make electricity flow we describe as a difference of electrical potential.