surveying guide的意思|示意

The pressure distribution in the end clearance of hollow guide-vane and solid guide-vane is obtained by surveying the pressure in the end clearance under the conditions of clean water and muddy water.

通过在清水和浑水两种不同条件下对导叶端面间隙压力的测量，得到了不同工况下的空心导叶和实心导叶端面间隙压力分布曲线。

The layout of plan surveying lines, principle of instrument selection and the key points of working are described detailedly, which gives a guide to actual work.

对布线方法、仪器选择原则及作业关键点进行较详细的说明，对海底管线综合物探作业给与了指导。

Based on road design information, we derived coordinates of arbitrary points in the pile and cross-sectional azimuth which may guide global positioning system (GPS) surveying in section surveys.

根据道路设计信息，推导出线路坐标系下任意中桩点的坐标计算公式和横断面方位角，由计算得到的横断面方向指导野外GPS断面测量。