This paper has discussed how to select geoidal model and how to determine normal height in GPS survey of long distance transmission line project.
就长距离超高压送电线路工程的GPS测量中如何选择大地水准面模型，如何确定GPS测量的高程等问题进行了讨论。
How to select the partners is a key point in establishing a joint venture in a project bid.
如何选择合作伙伴是工程投标中联合体组建的关键。
This paper discusses how to select the competitive schemes and experts opinions, argues that the adoption of the ballast project is a best choice.
介绍了多方案的研究、比选及专家评审的经过，最后确定采用碎石道床方案。
This paper discusses how to select the competitive schemes and experts opinions, argues that the adoption of the ballast project is a best choice.
介绍了多方案的研究、比选及专家评审的经过，最后确定采用碎石道床方案。
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