COA是什么的缩写

COA是Certificate Of Authenticity的简称,又称正版证明标签或防伪证明书,凡正版Windows操作系统软件都带有“正版证明(COA)”标签。可以说它是标识Microsoft正版软件产品的一个显著标志。

certificate of authenticity证书的真实性双语对照词典结果：防伪证明书;网络释义1. 真品凭证 真品凭证2. 真品凭证收起例句:1.The certificate of authenticity number you entered is not valid.您输入的真品证书号码无效。2.You have not entered a valid product key. Please check the number located on the back of the cd case or onyour certificate of authenticity.您输入了无效产品序列号。请检查位于光盘盒背面或《真品证书》上的编号。3.With a certificate of authenticity and a mies signature stamped on the frame's underside, the sculptural andfunctional barcelona chair will be your personal design history time machine.证书的真实性和密斯签字盖章的框架的底部，雕塑和功能的的巴塞罗那主席将您的个人设计历史的时间机器。