低应变动力检测频带宽度应不窄于( )。A.10~1000Hz B.50~100

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问题 低应变动力检测频带宽度应不窄于( )。A.10~1000HzB.50~1000HzC.100~1000HzD.10~100Hz

选项 A.10~1000Hz
B.50~1000Hz
C.100~1000Hz
D.10~100Hz

答案 A

解析
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