... directional surveillance 方位监测 directional survey 直接测量；方向测量；井斜测量 directional surveying 井斜测量 ...
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二方向测量 dual directional measurement
测量方向 Measuring Direction ; [测] direction of measurement
方向量测 direction measurement
幅度方向图的现场测量 On-site measurements of amplitude pattens
天线方向图测量 antenna pattern measurement
方向图的自动测量系统 Pattern auto-measuring system
建立了沿不同方向测量圆钢直径时、光线偏折误差的修正函数。
The correction-functions for the light deflection error of bar diameter measurement in several different directions are obtained.
进而建立了光线偏折误差的数学模型并得到在不同方向测量圆钢直径时的误差函数。
Also obtained are the error functions of the bar diameter when measurement is taken in different directions.
利用OMA光学多道分析谱仪，分别在激光镜反方向和接近靶面法线方向测量了2倍频谐波的精细结构。
The experiment measured the fine spectrum structure of 2 doubling harmonic at near normal direction of target and reflection direction of laser wave, employing OMA optical multi-channel spectrometer.
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