Parallel Virtual Machines (PVM) were once a popular parallel programming platform for this, but lately MPI has become the DE facto standard for writing parallel programs for clusters.

并行虚拟机(PVM)曾经是一个非常流行的并行编程平台，但是最近MPI已经成为了为集群编写并行程序的事实标准。

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A virtual experimental platform of planar parallel mechanism with three freedoms is established.

建立了一种三自由度平面并联机构虚拟样机实验平台。

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Google, by its configuration of hundreds of thousands of commodity servers into a massive, parallel, virtual supercomputer used for search, has worked out, by intent or accident, the enterprise computer platform of the future.

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