[問題] X光片中 為什麼骨頭中間是黑色？
如題
如果X光被障礙物擋住無法穿透而造成底片呈現白色
那空心圓柱狀物體(ex：骨頭) 在底片上顯現的是黑色？
骨頭的前緣跟後緣也是堅硬的面
應該也要把X光阻擋而在底片上程白色才對呀？
感謝大家幫忙解答！
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