It is very convenient for gauging the energy, frequency and flow of hydraulic shock device.
使用该系统，可以很方便地测量冲击器的能量、频率、流量等重要指标。
While traditional ultrasound uses high-frequency sound waves to create a picture of what is going on it the body, elastrography goes a step further by gauging movement.
传统的超声应用高频率声波创建持续于人体中的图像，而弹性超声通过精确测量移动更进一步。
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