The flood discharge scene is magnificent, with whirlpools rotating and waves roaring.泄洪时泡漩翻滚、水浪轰鸣,场面很壮观.Green and Pratt employed a rotating - mirror camera with an explosively driven wedge.Green和Pratt使用旋转镜头的摄影机,其具有一种爆发性的...
It can be used on rotating machinery and under water.它可以用于回转式机器,也可以在水下应用.So a separate rotating aerial is used for that purpose.为此需要用一种单独的旋转天线.Green and Pratt employed a rotating - mirror camera with an explosively drive...