If during a read, data has not completely arrived at the socket, the thread will block on the read operation until all the data is available.

如果在读的时候，数据尚未完全到达套接字，则线程将在读操作上阻塞，一直到数据可用。

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In blocking mode, a thread will block on a read or a write until the operation is completely finished.

在阻塞模式中，线程将在读或写时阻塞，一直到读或写操作彻底完成。

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SBC defines the command set extensions to facilitate operation of SCSI direct-access block devices.

SBC 定义命令集扩展，以方便操作 SCSI 直接访问块设备。

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Judge JOHNSON: And that became just a true stumbling block to an efficient operation of a system.

NPR: New Orleans Courts Come Back to Life

Even with safeguards, and even if the 17 do not vote as a block, habits of co-operation will tell.

ECONOMIST: Charlemagne

EU's enlargement to include ten new member countries, which took place last May, was sold as a golden opportunity to expand a European zone of peace, prosperity and co-operation into the former Soviet block.

ECONOMIST: Charlemagne