rectangular wave短语¹¹⁴⁴⁶⁷⁺⁴ 基本例句 矩形波,方形波 The carrier wave is rectangular/span> wave, the circuit mainly is composed of rectangular wave occurrence circuit, differential circuit, the whole wave commutate circuit and filter circuit. 该电路由方波信号发生器、微分电路、全波整流电路和滤波电路组成。 cnki