常見(jiàn)例句雙語(yǔ)例句When we use low-dropout switching power switching converter to reduce positive input voltage, we usually need an extra low- power negative output voltage.在采用降壓開(kāi)關(guān)功率開(kāi)關(guān)轉(zhuǎn)換器降低正輸入電壓的同時(shí)，通常還需要一個(gè)額外的低功率負(fù)輸出電壓。The main circuit is a half bridge series inverter and MOSFET is used for its power switching devices. PWM chip TL494 is the nucleus of the control circuit.主電路采用半橋式結(jié)構(gòu)，場(chǎng)效應(yīng)管作為功率開(kāi)關(guān)元件，集成芯片TL 494作為其控制電路的核心。Two lilong adjacent to Baoxing Cun have been demolished, one to make room for an elevated highway, the other for a power switching station to light up Expo 2010.寶興村附近的兩個(gè)里弄已經(jīng)被拆除，一個(gè)為高架公路騰出空間，另一塊地則用來(lái)建設(shè)服務(wù)于2010世博會(huì)的變電站。權(quán)威例句Until the late 1950s, these producers maintained that power switching had to be done mechanically.FORBES: Is There a Little Rupert Murdoch in All of Us?Apart from that, three physical buttons on its top handle power, switching feeds and favoriting photos.ENGADGET: Insert Coin: Instacube is a hip, Android-based digital photo frame for your Instagram feedsWith more and more U.S. power plants switching from coal to natural gas, the decline is likely to continue and the reductions are likely to be permanent.FORBES: Global Warming Alarmists Seek More Power, Not Emissions Reductions 返回 power switching