sam定义scsi系统模型、SCSI标准集的功能性分区，以及适用于所有scsi实现和实现标准的需求。

SAM defines the SCSI systems model, the functional partitioning of the SCSI standard set, and the requirements applicable to all SCSI implementations and implementation standards.

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音乐、声音、脚本系统、自定义模型以及测试都获得了许多外界的帮助。

The music, voice, scripting systems, custom models, and testing had a lot of outside help.

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连接点模型是AOP中最基本和最独特的概念，它定义了系统中哪个连接点是公开的，以及如何捕获它们。

The join point model, the most fundamental and distinguishing concept in AOP, defines which join points in a system are exposed and how they are captured.

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