Especially for astronomical observation of a faint object, the wavefront sensor can not sample its light.In this case, the laser guide stars are very important.是什么意思_Especially for astronomical observation of a faint object, the wavefront sensor can not sample its light.In this case, the laser guide stars are very important.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句