经皮神经电刺激疗法(TENS)临床常用频率和脉宽为A、频率2~160Hz,脉宽0.1~1msB、频率1~100Hz,脉宽0.1~2msC、频率2~160Hz,脉宽0.01~0.2msD、频率1~160Hz,脉宽2~500μsE、频率1~100Hz,脉宽1~1000μs
经皮神经电刺激疗法(TENS)临床常用频率和脉宽为
A、频率2~160Hz,脉宽0.1~1ms
B、频率1~100Hz,脉宽0.1~2ms
C、频率2~160Hz,脉宽0.01~0.2ms
D、频率1~160Hz,脉宽2~500μs
E、频率1~100Hz,脉宽1~1000μs
相关考题:
经皮神经电刺激疗法(TENS)临床常用频率和脉宽为A、频率2~160Hz,脉宽0.1~1msB、频率1~100Hz,脉宽0.1~1msC、频率2~160Hz,脉宽0.01~0.2msD、频率2~160Hz,脉宽1~2msE、频率1~100Hz,脉宽0.01~1ms
痉挛肌电刺激疗法的频率和波宽分别为A、频率0.66~1Hz,波宽0.1~0.5msB、频率1~100Hz,波宽0.1~1msC、频率0.66~1Hz,波宽0.01~0.2msD、频率0.66~1Hz,波宽0.1~1msE、频率2~160Hz,波宽0.1~2ms
经皮神经电刺激疗法(TENS)临床常用频率和脉宽为A、频率2~160Hz,脉宽0.1~1msB、频率1~100Hz,脉宽0.1~1msC、频率2~160Hz,脉宽0.01~0.2msD、频率1~160Hz,脉宽2~500μsE、频率1~100Hz,脉宽1~1000μs
痉挛肌电刺激疗法的频率和波宽分别为A、频率0.66~1Hz,波宽0.1~0.5msB、频率1~100Hz,波宽0.1~1msC、频率0.66~1Hz,波宽0.01~0.2msD、频率0.66~1Hz,波宽0.1~1msE、频率2~160Hz,波宽0.1~1ms
痉挛肌电刺激疗法的频率和波宽分别为A.频率0.66~1Hz,波宽0.1~0.5msB.频率1~100Hz,波宽0.1~1msC.频率0.66~1Hz,波宽0.01~0.2msD.频率0.66~1Hz,波宽0.1~1msE.频率2~160Hz,波宽0.1~1ms
经皮神经电刺激疗法(TENS)临床常用频率和脉宽为A.频率2~160Hz,脉宽0.1~1msB.频率1~100Hz,脉宽0.1~1msC.频率2~160Hz,脉宽0.01~0.2msD.频率1~160Hz,脉宽2~500μsE.频率1~100Hz,脉宽1~1000μs
经皮神经电刺激疗法(TENS)临床常用频率和脉宽为A.频率2~160Hz,脉宽0.1~1msB.频率1~100Hz,脉宽0.1~1msC.频率2~160Hz,脉宽0.01~0.2msD.频率2~160Hz,脉宽1~2msE.频率1~100Hz,脉宽0.01~1ms
9、经皮神经电刺激疗法(TENS)临床常用频率和脉宽为A.频率2~160Hz,脉宽0.1~1msB.频率1~100Hz,脉宽0.1~1msC.频率2~160Hz,脉宽0.01~0.2msD.频率2~160Hz,脉宽1~2msE.频率1~100Hz,脉宽0.01~1ms
3、PWM脉宽调制变换器产生的脉宽脉冲的特点是A.频率不变,脉宽随控制信号的变化而变化B.频率变化,脉宽由频率发生器产生的脉冲本身决定C.频率不变,脉宽也不变D.频率变化,脉宽随控制信号的变化而变化