![](https://cos-cdn.shuashuati.com/pipixue-web/2020-1231-2005-12/ti_inject-812ce.png)
prefix="span style="font-family" lang="en-us" style="font-family: "times new roman"; font-size: 12pt; mso-ansi-language: en-us; mso-fareast-language: zh-cn; mso-bidi-language: ar-sa; mso-fareast-font-family: 宋体;" xml:namespace="" 互换性的技术基础是( )。 ?xml:namespace>