例句與造句

1. Modem - an abbreviated term for " modulator - demodulator . " a modem converts digital signals into analog signals ( and vice versa ) , enabling computers to send and receive data over the telephone networks
   調(diào)制解調(diào)器- -是“調(diào)制器和解調(diào)器”的縮寫。調(diào)制解調(diào)器可將數(shù)字信號轉(zhuǎn)換成模擬信號（反之亦然） ，能使電腦在電話網(wǎng)上發(fā)送和接收數(shù)據(jù)。
2. It's difficult to find modulator-demodulator in a sentence. 用modulator-demodulator造句挺難的