flown动词fly的过去分词flown.流动；涨潮；流；流量vi.流动；涌出；飘动；流畅vt.淹没flow image序列图像flow trace信息流跟踪, 流程跟踪flow fieid流场flow value流值flow relay流通继电器flow merge流量汇聚flow force水流力Flowmeters流量计flow split流动分配flow flume量水槽