本文从图书馆实践角度出发研究了图书馆技术系统建设的基本特征和指导性原则，提出了现代社会环境中图书馆技术系统建设的目标。

This paper researches the features and instructive principle of technology system construction and puts forward the aim of library technology system construction under modern society environment.

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因此，水产养殖环境工程技术的研究与开发，已成为当今社会经济和环境领域的系统工程问题。

The research and development of the environment engineering have been the system engineering problem in social economy and environment control.

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因此，水产养殖环境工程技术的研究与开发，已成为当今社会经济和环境领域的系统工程问题。

The research and development of the environment engineering have been the system engineering problem in social economy and environment control.

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