The paper is about the necessity of setting up a new system of service in the library under the new social circumstance and the influence of its contents on the library.
论述了图书馆在新的社会环境下，建立新的服务体系的必要及新服务体系的内容和它对图书馆的影响。
Establishing this measure is the need of investigating drugs crimes which is unprecedented in the investigation history of our country. It has its necessity and legality under then background.
这一措施的确立是面对毒品的泛滥和侦查毒品犯罪的需要，在我国侦查史上史无前例，这一侦查措施的出台在当时的背景下，有其必要性和合法性。
The necessity of conveyor concentrate control is introduced. The site bus is used as the main net of conveyor concentrate control under the mine. The development prospects are related.
介绍了胶带机集中控制的必要性，描述了采用现场总线作为井下胶带机集中控制的主干网络的技术实践，叙述了其发展前景。
That is why it is of the necessity and importance to do the research on the two kinds of comparison mentioned above. Under the guideline of Mr.
因此，从内部比较与外部比较两方面进行湘方言词汇研究具有一定的必要性和重要性。
In this paper, the necessity of stability combustion technique of boiler under low load as well as its current status and prospect is discussed firstly.
本文首先论述了锅炉低负荷稳燃技术现状和发展趋势及研究的必要性。
It is well, therefore, that men should be under the necessity of exerting themselves.
它是很好，因此，人应该是在必要之下施加。
If this trend continues, there will be great economic impacts and social problems influencing Macau in the future. Therefore, the establishment of the pension system is a necessity and under urgency.
长此下去，将对澳门的施政、经济以及社会造成极大隐忧，退休金制度的建立、健全具有必要性和紧迫性。
Under the natural condition, the ability of self-reproduction of large molecule is the necessity of the origin of life.
自然条件下能实现自复制的比较稳定的大分子物质结构的出现是生命产生的充分必要条件。
Under the natural condition, the ability of self-reproduction of large molecule is the necessity of the origin of life.
自然条件下能实现自复制的比较稳定的大分子物质结构的出现是生命产生的充分必要条件。
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