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  • 就是，不爽就别看

    XDlteoing520 6 months ago

  • Ab123 別再賣廣告了

    eminem2909 8 months ago

  • 鹵素燈照只有表面部分受熱，以太陽能夠照射的比例來說。燈因該在­加大才會稍稍在準確些。

    dalvzc 8 months ago

  • 全部用亮彩色氣球怎麼可能會破？換個黑氣球看看就知道了，凸透鏡­具焦的光線也是只能燒黑紙呀！白紙燒不起來，亮彩紙也是呀！大部­分的光能都被反射了，就跟鏡子一樣，你拿多強的光線去照鏡子，大­部分的光都被反射了，怎麼可能會熱？

    renislin 1 year ago

  • 但是太陽表面的溫度是3千度到7千度不是麼？

    geminiheng 1 year ago

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