尽早对标量值求值可以通过只执行一次操作来实现优化。

Evaluating scalar values early enables optimization by doing things only once.

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在一次恢复操作期间，通过执行xbsa调用BSAGetObject并提供对象ID获得所需的备份对象。

During a restore operation the desired backup objects are retrieved by executing the XBSA call BSAGetObject and providing this object id.

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因此，每当客户调用左边的订购(order)操作，就会通过离开初始接收活动来启动一次新的过程执行。

So when the customer invokes the order operation on the left. That causes a new process execution to start by leaving the initial receive activity.

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