scientifically

This paper discusses how to scientifically employ a geocentric 3D coordinate system in China and analyzes three main scientific problems involved in this regards, i.e. the definition of the system, the geodetic fundamental constants and tidal correction.

摘要讨论了我国科学地采用地心三维大地坐标系，主要涉及到的该坐标系的定义、采用的大地测量基本常数以及与此有关的潮汐改正等三个问题。

Core competence research in the current mostly biased in favor of theoretical research lacking of measure research and Indicators which can evaluate the core competence of the corporation completely and scientifically, and the research of the core competence of the corporation is not enough particularly.

当前现有的核心竞争力研究大多偏向于理论研究，缺乏企业核心竞争力的测度研究，缺少完整、科学评价企业核心竞争力的指标体系，尤其是企业核心竞争力的量化研究还远远不够。

To measure industrial ecology level scientifically and evaluate it comprehensively not only enriches the theoretical research concerning industrial ecology, but also makes industrial ecology practice significant.

对区域内产业的生态化水平进行科学测度与综合评价是对产业生态理论研究的丰富，对区域产业的生态实践也有着积极的意义。