Combined with survey experience, the author probed into the methods of setting up ground control net with GPS and EDM lead for small hydropower projects based on the introduction of practice examples.
结合测量经验，探讨了用GPS与EDM导线建立小水电工程地面控制网的方法，并以实例加以介绍。
The National Solidarity Programme (NSP) finances small-scale projects—water pumps, small dams, hydropower generators—chosen by the councils themselves.
全国团结方案（The National SolidarityProgramme）为小型项目提供财政支持——水泵、小型水坝、水力发电机——由委员会自己来选择。
In water conservancy and hydropower projects ot plain, the large quantities of small power station of low water head and large discharge have been built in our country.
在平原地区水利水电工程中，我国建造了一大批低水头、大流量的小型水电站。
Along with the construction of middle and small-sized hydropower projects, the optimal design can be used as a simple and easy concept to timely adjust the section form during tunnel construction.
随着中小型水电站实际建设情况，此优化设计可作为隧洞施工中及时进行断面形式调整的一种简捷易行的思路。
Along with the construction of middle and small-sized hydropower projects, the optimal design can be used as a simple and easy concept to timely adjust the section form during tunnel construction.
随着中小型水电站实际建设情况，此优化设计可作为隧洞施工中及时进行断面形式调整的一种简捷易行的思路。
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