reverse polarity

常见例句

American SEG defines seismic record polarity as SEG normal polarity and SEG reverse polarity.
美国SEG协会把地震剖面的极性规定为SEG正常极性和SEG反正常极性。
It could self-recover after the breakdown is fixed, except for Reverse Polarity Protection, which the fuse has to be replaced.
它可以在自我故障后恢复，除了反极性保护，而保险丝更换。
All hardwired connections to LED fixtures shall be reverse polarity protected and provide high voltage protection in the event connections are reversed or shorted during the installation process.
所有与LED 装置硬连线的连接须采取逆极性的保护，在这些连接被扭转或缩短的安装过程中，须提供高压保护。

For the Democrats to retake the House, they must either reverse this polarity in the South or they must ride a wind of similar force in other parts of the country.
NPR: What Would It Take To Flip the House?