Create New Multiple Datum Reference 建立新的多基准面参考
Through the past decades, people have done a great deal of experiment research on single jet and have got abundant datum, while have not done much on the flow characteristic of multiple jets.
在过去的几十年中，人们对单股射流的流动作了大量的实验研究，取得了丰富的资料，而对多股射流流动特性的研究确不多见。
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