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

党内左右两派间日益明显的对立

来自《权威词典》

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

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