你正在使用的机器的序列号。

The Serial number you were using on the machine.

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Rosen破解了亚马逊“虚拟机器“的序列号，以及从该公司购买计算能力的测量单位。

Mr Rosen decrypted the serial numbers of Amazon’s “virtual machines”, the unit of measurement for buying computing power from the firm.

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按照吉拉的说法，这个机器人在几十年前第一次出现，当时它满身血污，被爆能枪打得伤痕累累，序列号被涂改得无法辨认。

According to Jira, the droid first appeared decades ago, covered in dried blood, bearing the scorch marks of blaster fire, its serial number scored off preventing identification.

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