某: certain; some描述: describe; represent符: tally symbol; mark的: 4次方是 The fourth power of 2 i ...实例: living example; example; tur ...描述符的实例: instance of描述符的写位: write bit in a descriptor恢复描述符的部件: urd unit of recovery descriptor描述符的执行位: execute bit in a descriptor描述符的处理机状态位: processor state bit in a descriptor描述符: descriptors; descrptor; deseriptor打轰龙 的实例: youtube vedio恰当的实例: a case in point安全描述符: security host编辑描述符: edit descriptor变量描述符: vd variable descriptor变元描述符: argument descriptor标号描述符: label descriptor部署描述符: deployment descriptor参数描述符: parameter descriptor超码描述符: super code descriptor程序描述符: program descriptor磁道描述符: track descriptor存储描述符: memory descriptor端点描述符: endpoint descriptor