polarity例句

Polarity is inherent in a magnet.
極性是磁鐵的固有性質(zhì).

There are miscellaneous tools, pliers , putty knife, polarity stamps, battery stamping or coding equipment, lead cutters.
有各種工具 、 手鉗 、 油灰刀, 極性印戮 、 電他標記打印或編號機 、 鉛切刀.

The polarity of the ends of the open - circuit conductor may then be deduced.
這樣就可以斷定開路導(dǎo)體兩端的極性.

• #polarity