对数值预报模式在串、并行编程环境下的结果进行了分析比较。

The numerical weather forecast system is established using the IBM RS6000/SP.

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PVM和MPI是广泛使用的并行编程环境，它们需要作为并行计算的基本构建而集成到元计算系统中去。

PVM and MPI , which are popular parallel programming environments, will be integrated into the metacomputing system as the infrastructure of parallel computing.

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本文提出了一种利用微机机群来实现并行处理，在并行编程环境P VM中实现BP神经网络的并行学习算法。

In this paper, we proposed a parallel BP neural network learning algorithm with the support of PC cluster under the circumstance of PVM (parallel Virtual Machine).

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