如图1所示小明同学用易拉罐来进行小孔成像实验.1为了确保人眼能看到物体清晰的像所开的小孔要尽可能小人眼应在薄膜一侧进行观察.2小明 Template




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tomski如图1所示小明同学用易拉罐来进行小孔成像实验.1为了确保人眼能看到物体清晰的像所开的小孔要尽可能小人眼应在薄膜一侧进行观察.2小明 coloring