Grey literature is a kind of important and valuable information recourse.

灰色文献是一种具有重要情报价值的信息源。

youdao

The paper describes the concept and characteristics of the grey literature resources on the Internet and introduces the way of collecting and utilizing the grey literature available.

阐述了在网络环境下灰色文献的含义和特点，以及如何对其进行有效收集利用。

youdao

The most common types of grey literature were abstracts (55%) and unpublished data (30%).

灰色文献最常见的型式为摘要(55%)及未出版的资料(30%)。

youdao

In its 120 pages, Weathering Uncertainty references 280 publications from the scientific literature (peer-reviewed and grey) and covers themes at the core of the Fifth AR such as foundations for decision-making on indigenous knowledge, traditional livelihoods, vulnerability, resilience, and adaptation policy and planning.

UNESCO: Communication and Information