| 释义 |
polarity
极性
1. A distinction between positive and negative electric charges.
一种正负电荷之间的区别。
2. A distinction between positive (north) and negative (south) magnetic poles of an electromagnet or permanent magnet.
一种电磁体或永磁体的南北磁极之间的区别。
3. The difference between two points in a system which differ in one respect.
一个系统中在某方面不同的二点之间的差异。 |