1) gray literature control
灰色文献控制
2) grey literature
灰色文献
1.
Grey Literature - Important Information Resources;
一种重要的信息资源——“灰色文献”
2.
This paper discussed the concepts of the grey literature and the present situation to study and develop the grey literature.
介绍了灰色文献的概念以及世界各国研究开发灰色文献的现状 ,分析了灰色文献的种类、特点与情报价值 ,探讨了获取灰色文献的方法与途径 ,提供了加强灰色文献开发利用的对策。
3.
Some libraries have been getting down to the construction of gray digital literature resources by utilizing broad band network as the information value of grey literature has been gradually recognized with the development of digital library.
数字图书馆建设已经逐渐认识到灰色文献的信息价值,一些图书馆利用宽带网络资源积极建设灰色数字文献资源。
3) Gray literature
灰色文献
1.
Study on Developing & Utilizing Gray Literature of Provincial Data
省情资料中灰色文献的开发利用
4) gray document
灰色文献
1.
The position and role of the gray documents in information service;
灰色文献在信息服务中的地位和作用
5) local gray literature
地方灰色文献
1.
Public library should fully realize to the characters of gray literature and its collection significance,strengthen the scientific management of gray literature,widely collect local gray literature,and comprehensively do well local literature collection work.
地方性灰色文献是地方文献的重要组成部分,公共图书馆应充分认识到地方灰色文献的特点和收藏的意义,加强地方灰色文献收集工作的科学管理,广泛收集地方灰色文献,全面地做好地方文献工作。
补充资料：反馈控制(见控制系统)
反馈控制(见控制系统)
feedback control
于。。伙。]伙ongZ片}反馈控制(几edbaekcontrol)见拉制系统。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条