短語(yǔ)詞組短語(yǔ)Closed Loop Ecological Cycle 閉合路的生態(tài)循環(huán)open -loop cycle 開(kāi)路循環(huán)phase lock loop cycle slipping 鎖相環(huán)周期滑動(dòng)phase -lock loop cycle slipping 鎖相環(huán)周期滑動(dòng)cycle loop 循環(huán)回路major cycle loop 外部回路steam cycle power loop 蒸汽循環(huán)動(dòng)力回路major cycle hysteresis loop 主磁滯回線 返回 loop cycle