内存区域是已知的作为共享内存的段。

The memory areas are known as the Shared memory segments.

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不过，共享内存段依然不能跨越象限边界。

However, Shared memory segments still can not cross quadrant boundaries.

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通信段：共享内存通信区，也被称为消息区，被作为客户机和服务器进程的一种通信机制。

Communications segment: the Shared memory communications portion, also known as the message portion, is used as a communication mechanism by the client and server processes.

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