block descriptor word [计] 分程序说明字
Disk Block Descriptor 盘块描述符
Device Descriptor Block 设备描述块 ; 装置描述符块
allocation descriptor block 配置描述符数据块
descriptor block 描述符块
field descriptor block 域描述符数据块
Command Descriptor Block 命令描述块 ; 指令描述块
FDB Field Descriptor Block 域描述符数据块
partition descriptor block 分区描述符块
Monitoring applications may read event data from deleted monitor files while the file descriptor for the monitor file is still open but may not block for further event occurrences.
在监视器文件的文件描述符仍然打开的情况下，监视应用程序可以从删除的监视器文件读取事件数据，但是不再继续等待事件发生。
On returning to the tcp_usrreq function, the socket descriptor is made to point to the socket's TCP control block.
在返回到tcp_usrreq函数时，创建套接字描述符，以指向套接字的tcp控制块。
Experiments demonstrated that the color block co-occurrence matrix descriptor considerably improves the retrieval performance and can combine the feature of color and texture effectively.
实验结果表明，彩色子块共生矩阵描述子能够有效地结合颜色和纹理特征，具有良好的检索性能。
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