如图所示为一简谐横波在某一时刻的波形图.已知质点a在此时刻的振动方�如图中箭头所示则以下说法中正确的是 A波�左传播质点b�下振动 Template




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tomski如图所示为一简谐横波在某一时刻的波形图.已知质点a在此时刻的振动方�如图中箭头所示则以下说法中正确的是 a波�左传播质点b�下振动 coloring