I sprinted down a virtual track, running in place fast enough to earn a game world record.

我全速在一条虚拟跑道上冲刺，创造了游戏世界纪录。

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They make use of virtual currencies and the growing popularity of smart-phones, which can track consumers’ location.

他们使用虚拟货币和日渐流行的智能手机，帮助追踪消费者的所处方位。

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You can create virtual users, and then create and track transactions all the way through the system, collect and analyze the performance data, and address any issues you uncover.

你也可以创建实际用户，然后建立并在整个系统中追踪事务，收集并分析性能数据，接下来解决发现的任何问题。

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Do virtual track records translate into real life?

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Implenia's engineers could use that virtual world mock-up to remotely track the data center's power consumption and efficiency in ways that would have otherwise been tough without visiting the location.

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Payments for goods are made with the virtual currency Bitcoin, making it hard to track users buying drugs.

BBC: Silk Road screenshot