引起矿山地区环境恶化的主要原因有历史因素、政策、经济技术、地方保护主义及环保意识差等。
Historical policy, economy & technology, awareness of environment protection are the main factors to cause the problems.
介绍了EDI技术的结构、原理、经济技术特点及在超纯水制备应用中的参数和影响因素，并提出了解决的方法。
The construction, elements, characteristic of economy and technology, parameter and factor in application of ultra pure water of EDI are introduced.
阐述了海南与新加坡经济技术合作的可行性，以及两地经济合作中产业因素对接的契合点。
It elaborates the possibility of economic and technical cooperation and the combining points of industry factors in the course of economic cooperation between Hainan and Singapore.
分析了实施企业综合管理计算机网络系统在经济效益和社会效益方面的收益；对于实施企业综合管理计算机网络系统在经济技术、社会等因素方面的可行性作了探讨。
The article also presents an analysis of the economic and soc ial benefit resulting from the implementation of this project as well as a study on the feasibility of this project.
结果表明：评价磷矿的经济技术指标优劣时，P2O5含量是主要因素，但有时其中的有害杂质影响更大。
On the estimate of phosphate rocks, the content of P2O5 is fundamental while the harmful impurities therein play a more important role.
第二部分分析了呼和浩特经济技术开发区失地农民问题制约因素；
The third part is the policy analysis of Huhhot Economic & Technological Development Zone land-lost farmers problem, analyze the profound reasons why this problem occurs.
第二部分分析了呼和浩特经济技术开发区失地农民问题制约因素；
The third part is the policy analysis of Huhhot Economic & Technological Development Zone land-lost farmers problem, analyze the profound reasons why this problem occurs.
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