The level of document acquisition is the key of collection development, it will directly affect the capacity and effectiveness of library services.

文献采访工作水平的高低是馆藏建设的关键，将直接影响图书馆服务的能力和效果。

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Participants will also thoroughly examine the data collection questionnaire and produce guidelines for those involved in language policy development and language management at the national level.

UNESCO: Endangered languages