1. 磁控管一種微波管，它里面的發(fā)熱陰極發(fā)出的電子受到磁場(chǎng)和電場(chǎng)的影響，從而產(chǎn)生能用于雷達(dá)和微波爐微波輻射
   A microwave tube in which electrons generated from a heated cathode are affected by magnetic and electric fields in such a way as to produce microwave radiation used in radar and in microwave ovens.
2. 廣播網(wǎng)由線路或微波中轉(zhuǎn)站連接的電臺(tái)或電視臺(tái)網(wǎng)絡(luò)
   A chain of radio or television broadcasting stations linked by wire or microwave relay.
3. 預(yù)先調(diào)節(jié)好微波爐
   Preset a microwave oven.
4. 在微波系統(tǒng)中，來(lái)自各處的分散的輸入必須被匯集在一起，以形成一個(gè)綜合的輸入，然后由無(wú)線電發(fā)送和接收。
   In microwave system the separate input from various sources must be brought together to give a composite input which is then transmitted and received by radio.

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