常見例句雙語例句Bipolar Hall Switch Sensor magnet polarity is no need to distinguish, with great flexibility and convenience.雙極性開關(guān)型霍爾傳感器則無須判別磁體極性，具有很大的靈活性和方便性。Its output polarity is determined by the four analog switch array controlled by an input-synchronized trigger.它由與輸入控制電壓同步的觸發(fā)器控制四模擬開關(guān)陣列的開關(guān)轉(zhuǎn)換來選擇輸出極性。A convenient and an essential PHASE switch is included to allow for proper subwoofer signal polarity to be selected.一個(gè)既方便又一個(gè)重要階段，包括開關(guān)，以便適當(dāng)?shù)牡鸵粜盘枠O性被選中。權(quán)威例句Reality extends to the plain fact that there is no switch or level to push, pull or toggle that will instantaneously change the polarity of the flow.FORBES: How to Steer Your Finances Through the Recession 返回 polarity switch