The main problems to realize the main functions of the environmental protection information system by means of computer technology are: (1) efficient management for system;

用计算机技术实现环境保护信息系统的主要功能关键问题在于：（1）系统的有效管理；

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The integrated city environmental protection information system is a complex system, which integrates multi-system, multi-technique and deals with large quantities of environmental spatial data.

综合城市环保信息系统是一个集成多系统、多技术，同时需要处理大量环境空间数据的复杂系统。

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For more information on the safe use of pesticides, you can download the Environmental Protection Agency's safety guide here.

更多安全使用杀虫剂的信息，你可以在这里下载环保机构的安全指导。

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That means restricting themselves to enforcing minimum though necessary rules on access, standards, environmental protection, information and pricing.

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Determining Apple's "green-ness" is difficult because much of the information reported to authorities, like the Environmental Protection Agency, is provided voluntarily.

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Programs like Energy Star, a joint undertaking of the U.S. Environmental Protection Agency and the Department of Energy, have sought to provide such information in the past.

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