The buyer's "virtual machine" files (a virtual machine is the main unit of measurement in cloud computing) are parked on App Engine before being sent to a seller's servers.

购买者的虚拟机器文档在App引擎上面显示，然后再送到销售者的服务器上（这是一种虚拟的机器，是云计算度量的主要单元）。

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This main engine virtual reality system can be in good cooperation with the going marine simulator and it will surely be meaningful to the research and development of a late-model marine simulator.

运用虚拟现实技术对船员实施立体化培训可以与现行的船舶轮机模拟器很好的结合，对于新一代轮机模拟器的研发具有借鉴意义。

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