低频地表振动
low-frequency ground motion
地表振动地声
ground vibration underground sound
地表加速度振级
ground surface acceleration vibration level
Z振级
Z direction vibration level
degree of Z direction vibration
振级评价
vibration level evaluation
振级落差
vibration level difference
Insertion loss
加速度振动特性
acceleration vibration characteristics
隔振量(振级落差)
vibration level difference
振动加速度传感器
Vibration acceleration sensors
vibration acceleration sensor
振动加速度测试
acceleration meas urement
振动加速度响应
accelation response of vibration
振动加速度级
vibration acceleration level
the vibration acceleration level
frequency domain analysis