Depends on what wavelength and what time scale

來源: 2025-03-15 14:48:25 [博客] [舊帖] [給我悄悄話] 本文已被閱讀:

You're looking at

if you want to make money out if each wavelength, it is a good chance;

if you inly want to make over the longest wavelength, it could 

not be