Spectrodensitometry
分光密度测定法, 光谱密度法
🗣️ 情景例句
Thanks, Richard.
谢谢 ，Richard。
Draw water with a sieve.
竹篮子打水一场空。
Our own warm atmosphere and the heat generated by the telescope would make it impossible to detect objects as small as planets.
地球周围温暖的大气层和望远镜散出的热量使得我们根本不可能找到比行星更小的物体。