It is well known that, dynamic characteristic is the basic character of lithium-bromide absorption chiller and it is also one of the main contents of controlling system.

众所周知，动态特性是溴化锂吸收式制冷机的基本特性，同时又是控制系统的主要内容之一。

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The sediment of water body is the main carrier of heavy metal elements, their contents reflect the environmental quality in the water system.

水体沉积物是重金属元素的重要载体，其含量高低能够反应水系环境质量状况。

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Based on the system requirement analysis, it designs the main function to finish the network contents access control.

对网络内容访问控制系统进行需求分析，设计出主要的功能模块，以完成基本的网络内容访问控制功能。

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Furthermore a correlation of hydrochemical parameters, such as fluoride concentrations and total dissolved solid contents, with main tectonic structures within the basins was carried out for the whole aquifer system.

UNESCO: Dublin Core