... 辐[射]能 radiant energy Q,W,(V,Qe) 弗劳德数 Froude number Fr 附加质量 attached mass m ...
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...弗劳德数Fr0 ; 突扩比; 跌坎深度 [gap=1068] experiment al study; falling- sill and expanding bottom-flow energy dissipater; Froude number Fr0; expansion ratio; depth of the falling-sill ..
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