例句與造句

1. One - cycle control method is a nonlinear control method . by controlling the switch duty - ratio , it can make the average value of a switched variable equal to or proportional to the control reference in each cycle , so the stationary and transient errors are eliminated
   單周控制法是一種非線性控制法，它通過控制開關(guān)占空比，使在每個周期內(nèi)開關(guān)變量的平均值與控制參考信號相等或成一定比例，從而消除穩(wěn)態(tài)和瞬態(tài)誤差。
2. It's difficult to find switch variable in a sentence. 用switch variable造句挺難的