This serves as the callback mechanism we were missing when trying to invoke the human task directly from the business state machine.

这相当于一个回调机制，它在我们从业务状态机直接调用人工任务的设计方法中是没有的。

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The subjects were hooked up to a machine which recorded brain activity and were then given a task to perform.

参与实验者被连接到一台可以记录大脑活动的机器上，接下来他们要完成特定任务。

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Automatic machine, on the other hand, are not capable of many different USES; they are built to perform only one task.

相反，自动化机器却没有许多不同用途，它们只是为了招待一项任务而被建造。

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This task is so complicated that it requires an ISstaff member to register each end-user machine, says James Mascaro, network architect for Xcelerate, an e-business consultancy in Fort Lauderdale, Fla.

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