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21．如图8所示是照相机的原理图a’b’是ab的像请画出图中与入射光线对应的折射光线并确定凸透镜一侧焦点的位置用字母f表示——青夏 Template






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sketch 4948 Snow White by George Lucaz
sketch 3683 Hellboy by Loai Issa
sketch 5222 Magic Art Tin Sheek
sketch 3496
sketch 1216
sketch 2309
sketch 3508 Medusa by Nelly Panambo
sketch 4867 Johnny Depp Ronin Ronin

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sketch 4 Nirvana Smiley
sketch 3659 Portrait by Mari Falcsik
sketch 5164
sketch 3651 Istanbul by DjDarío GT
sketch 5117
sketch 1643
sketch 4970
sketch 4264 oh yeah





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tomski21．如图8所示是照相机的原理图a’b’是ab的像请画出图中与入射光线对应的折射光线并确定凸透镜一侧焦点的位置用字母f表示——青夏 coloring
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