When DB2 performs an index or table scan, DB2 will block on a row lock when it comes across an uncommitted row which another transaction has exclusively (X) locked.
DB2在执行索引或表扫描时，如果遇到一个被另一个事务独占 (X) 锁定的未提交行，那么 DB2将阻塞在行锁上。
When scanning an MDC table, block locking could be deferred for an index scan.
当扫描一个mdc表时，对于索引扫描，块锁可以推迟。
These services scan for Web sites exhibiting unusual behavior or known malicious activity and block those sites from users.
它可以对网站进行扫描，监测其是否有不正常的行为或是否存在已知的恶意行为，并阻挡用户访问这些站点。
The SCAN operation is a basic block for building other parallel algorithms. This paper first describes SCAN operations and the design of their sequential and parallel algorithms.
SCAN算法是构成某些并行算法的一个简单而常用的基本模块．本文首先描述了SCAN操作及其串行和并行算法的设计；
The software allows you to block any viruses or threats that might infect pen drives or external HDDs. You may easily scan the USB drive for malware.
该软件可以自动扫描任何USB驱动器连接到你的计算机，以确定是否有任何病毒，恶意软件和其他威胁。
The 3.6-inch resin model of the white foetus, encased in a transparent block in the shape of the mother's body, is fashioned by a 3D printer after an MRI scan.
这种白色的树脂模型长3.6英寸，装在透明的外形为母体的盒子里。 孕妇接受核磁共振检查后，该公司可以通过3D打印技术制作胎儿模型。
The 3.6-inch resin model of the white foetus, encased in a transparent block in the shape of the mother's body, is fashioned by a 3D printer after an MRI scan.
这种白色的树脂模型长3.6英寸，装在透明的外形为母体的盒子里。 孕妇接受核磁共振检查后，该公司可以通过3D打印技术制作胎儿模型。
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