我在想设计一个实验到能结冰的湖面。用一串激光连起来测一下地平线

来源: 姜小鱼于 2018-01-21 08:20:34 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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我在想设计一个实验 到能结冰的湖面。用一串激光连起来测一下地平线