COA是Certificate Of Authenticity的簡(jiǎn)稱,又稱正版證明標(biāo)簽或防偽證明書(shū),凡正版Windows操作系統(tǒng)軟件都帶有“正版證明(COA)”標(biāo)簽?？梢哉f(shuō)它是標(biāo)識(shí)Microsoft正版軟件產(chǎn)品的一個(gè)顯著標(biāo)志。

certificate of authenticity證書(shū)的真實(shí)性雙語(yǔ)對(duì)照詞典結(jié)果：防偽證明書(shū);網(wǎng)絡(luò)釋義1. 真品憑證 真品憑證2. 真品憑證收起例句:1.The certificate of authenticity number you entered is not valid.您輸入的真品證書(shū)號(hào)碼無(wú)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.您輸入了無(wú)效產(chǎn)品序列號(hào)。請(qǐng)檢查位于光盤(pán)盒背面或《真品證書(shū)》上的編號(hào)。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.證書(shū)的真實(shí)性和密斯簽字蓋章的框架的底部，雕塑和功能的的巴塞羅那主席將您的個(gè)人設(shè)計(jì)歷史的時(shí)間機(jī)器。