测距离 meaning in English

measure of distance
ranging laser

Petroleum and liquid petroleum products - calibration of vertical cylindrical tanks - external electro - optical distance - ranging method
石油和液态石油产品.直立式圆筒状油罐的标定.电光外测距离法
The system could measure certain distance with the reflected wave on condition in which the speed of transmitting wave is fixed
该系统以空气中超声波的传播速度为确定条件,利用反射超声波测量待测距离。
4 a block diagram of phased array radar used which is used to measuring the distance , velocity and azimuth of the object in the horizontal plan and the highness in the vertical plane
4给出了水平方向采用二维谱估计技术测距离、速度和方位，垂直方向采用波束扫描测高的小型车载相控阵雷达系统框图。