This means that each operation has to pass the unique information that identifies the state machine instance.

这意味着，每个操作必须传递能够识别状态机实例的独特信息。

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You need to store the order information in a variable so that you can pass it to the services that are called as the state machine processes an order.

您需要将订单信息存储在变量中，以便能将其发送到状态机处理订单时调用的服务。

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According to Michael, checks are machine dependent because they give a binary response of pass or fail.

Michael认为：检查要依赖机器完成，因为它们可以给出非此即彼的两个答案：通过或者失败。

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As you're swiping your boarding pass ( or smartphone), the machine also scans it for particle-sized traces of explosive materials and sends the all-clear or no-go in less than two seconds.

ENGADGET: Hitachi boarding gate can sniff explosives on passes, keep the transport queues flowing (video)

Walking in I pass a dour-looking lady, clipped to the machine by her affinity card, mesmerized by the spinning wheels.

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In addition, you should consider avoiding plaintext-password network services: The POP3, FTP, and Telnet daemons pose a special risk because their passwords pass unencrypted across the open network, sniffable by any nearby machine along the way.

CNN: Analysis: Linux security