昨天在思考一個問題
是否有一種簡單機制或是材料
可以選特定坡長範圍反射,而其餘坡長透射的物理機制方法
總感覺可以想到某種機制,但還沒有具體方案
有人有這種想法嗎?或是哪方面書籍有介紹
這問題目前只是天馬行空階段
我會努力持續思考中
感謝
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