This paper puts forward the concept of virtual patrons of the digital library and analyzes their characteristics in utilizing the information resources.
文章提出了数字图书馆的虚拟用户概念，分析了虚拟用户利用信息资源的特点。
Utilizing the characteristics of microwave and the device of microwave reaction, the desorption process of SO2 in citrate solution was experimentally explored.
结合微波的热效应、非热效应特性，利用经改装的微波反应装置，对微波解吸柠檬酸盐溶液中SO2的过程进行了研究。
Utilizing interleaved channel spectra is one of its characteristics.
使用交叉的梳状谱也是其特点之一。
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