polarity是什么意思
polarity
英 [pə(ʊ)'lærɪtɪ]美 [pə'lærəti]n. [物] 极性；两极；对立助记提示
1、pol- + -arity(复合后缀).中文词源
polarity 两级化，截然对立来自pole,地级，两级，-ity,名词后缀。
英文词源
polarity (n.)1640s, originally of magnets, from polar + -ity.双语例句
1. the growing polarity between the left and right wings of the party *内左右两派间日益明显的对立来自《词典》
2. Polarity is inherent in a magnet. 极性是磁铁的固有性质.来自《现代英汉综合大词典》
3. There are miscellaneous tools, pliers , putty knife, polarity stamps, battery stamping or coding equipment, lead cutters. 有各种工具 、 手钳 、 油灰刀, 极性印戮 、 电他标记打印或编号机 、 铅切刀.来自辞典例句
4. The polarity of the ends of the open - circuit conductor may then be deduced. 这样就可以断定开路导体两端的极性.来自辞典例句
5. It is not possible to try to salvage or change the polarity correctly by charging. 试图补救或通过充电的方法把极性改过来是不可能的.来自辞典例句
