According to the legal purpose view of law science of economic analysis, the system that the marriage is effective or invalid should accord with the demands for efficiency.
按照经济分析法学的法律目的观，婚姻效力制度应当符合效率的要求。
The method of a map for multi-purpose of urban basic surveying and mapping will not only im- prove work efficiency and economic benefits, but also accelerate the erection of geo-spatial framework.
城市基础测绘一图多用的方法不但能够提高工作效益和经济效益，同时可加快地理空间基础框架的架设。
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