A.0~10Hz
B.0~20Hz
C.0~50Hz
D.0~100Hz
E.10~100Hz
[单选题]引起肌肉单收缩较适宜的电流频率是A.1~10HzB.10~20HzC.20~30HzD.50HzE.100Hz
[单选题]引起肌肉单收缩的较适宜电流频率是A.1~10HzB.10~20HzC.20~30HzD.50HzE.100Hz
[单选题]能促进血液循环的较适宜的低频电流频率是A.1~10HzB.10~20HzC.20~30HzD.50HzE.100Hz
[单选题]适于引起肌肉单收缩的电流频率是A.1~10HzB.11~20HzC.21~30HzD.31~40HzE.41~50Hz
[单选题]干扰电疗法差频为A.0~1000HzB.0~100HzC.50~200HzD.0~50HzE.100~200Hz
[单选题]干扰电疗法其差频为A.0~1000HzB.0~100HzC.50~200HzD.0~50HzE.100~200Hz
[单选题]调制中频电流的调制波的频率通常是A.l~10HzB.l~50HzC.1~100HzD.1~150HzE.10~200Hz
[单选题]音频电疗法的频率范围为A.0~100HzB.100~1000HzC.1000~5000HzD.5000~10000HzE.10000~20000Hz
[单选题]音频电疗法的频率范围为A.0~100HzB.100~1000HzC.1000~5000HzD.5000~10000HzE.以上皆可
[单选题]音频电疗法的频率范围为A.0~500HzB.100~1000HzC.1000~5000HzD.5000~10000HzE.以上皆可