USB1.1协议中文版 ................\01 intro.doc ................\02 术语和缩略词.doc ................\05 USB数据流模型.doc ................\07 USB电气特性(缩写).doc ................\08 协议层.doc ................\09 USB设备架构.doc ................\10 usb主机硬件软件.doc ................\11 集线器规范_1.doc ................\cn.txt ................\USB中国说明.htm