野外测量，是在地面上测量相距较远的两点间的距离时，先要在两点之间测定一条直线，然后再用工具沿直线测量两点间的距离。
n. field survey
misc. field measurement
野外测量完成后，可对计算机进行数据回放。
The data playback can be done by computer after the measurement in the field.
掌上电脑(PDA)是野外测量成图一体化最适宜的硬件平台之一。
Personal digital assistant (PDA) is one of the most fitting hardware platforms on integrative field surveying and mapping.
野外测量试验结果表明，目标发现概率的测量原理正确，测量方法可行。
Results obtained in field measurement tests indicate that the model is correct and the method of measurement is feasible.
应用推荐