如图所示两个同心圆形线圈ab在同一平面内其半径大小关系为ra<rb条形磁铁穿过圆心并与圆面垂直则穿过两线圈的磁通量φaφb间的大小 Template




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Try and sketch some of theseCross, Fire, Whisky, Telescope, Friend, Thermometer, Armoire, Soccer ball, Daisy, Tramway, view more ideas


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sketch #3260 sorry to over comment on your blog .haha. I 'm just flnpiipg through your posts after finding you through the KCWC. Recently I had this huge urge to learn to sketch with black ink pens. This cloud drawing is exactly the thing that I feel the need to put on paper. : )


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tomski如图所示两个同心圆形线圈ab在同一平面内其半径大小关系为ra<rb条形磁铁穿过圆心并与圆面垂直则穿过两线圈的磁通量φaφb间的大小 coloring