reverse polarity

常見例句

American SEG defines seismic record polarity as SEG normal polarity and SEG reverse polarity.
美國SEG協(xié)會把地震剖麪的極性槼定爲SEG正常極性和SEG反正常極性。
It could self-recover after the breakdown is fixed, except for Reverse Polarity Protection, which the fuse has to be replaced.
它可以在自我故障後恢複，除了反極性保護，而保險絲更換。
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.
所有與LED 裝置硬連線的連接須採取逆極性的保護，在這些連接被扭轉(zhuǎn)或縮短的安裝過程中，須提供高壓保護。

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?