sonic speed

A Study on Prediction of Drilling Speed with Sonic Logging

声波测井资料预测机械钻速

The flight speed of new-style SST plane is 3 times sonic.

新型SST飞机的飞行速度为音速的3倍.

Drilling speed can be predicted through sonic logging.

声波测井资料可以用来进行钻速的预测.

a research on error analysis of seabed sediment porosity by calculation method and sonic speed retrieval method

海底沉积物孔隙度计算方法与声速反演的误差分析研究

research on acoustic emission source locating method without measuring the sonic speed

无须测量声速的声发射源定位方法研究

on improving hsi noise prediction for helicopter rotor in forward flight when flowfield is partially near sonic speed

旋翼前飞气动噪声高效数值算法研究

my sonic-speed vocal cadence has slowed to a rate accessible to the human ear.

我原先像光速般的声频，也调降到人类耳朵可接受的范围。