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Contactless IC card is a new technology in IC field.It is the combination of radio frequency identification and IC.Espec......
Heat handling has been a significant problem of the high power fiber laser systems as the output power increases rapidly......
随着现代信息技术的快速发展,互联网成为了我们日常生活中不可缺少的一部分。对于企业来说,互联网可以成为宣传产品的工具,也可以......
