Snr
[计] 信噪比
📖 牛津释义
Snr
abbr 缩写 = Sen 3.
🗣️ 情景例句
Yup.
是的。
Bad workmen often blame their tools.
拙匠常怪工具差。
So the number of stars that we know exist is now estimated at about 300 million million million.
因此，我们所知道的现有恒星数目估计约有30亿×1000亿颗。