短語(yǔ)詞組短語(yǔ)Small test -signal injection method 小信號(hào)注入測(cè)試法complex torque coefficient -test signal method 複轉(zhuǎn)矩系數(shù)loop output signal test method 廻線試騐法two -signal test method 雙信號(hào)測(cè)試法 返回 test signal method