referenon beam的用法和樣例：
例句
- The signal beam can be recreated by illuminating the medium with a beam identical to the original reference beam.
通過(guò)用和原始參考光相同的光束來(lái)照亮感光介質(zhì)可以還原信號光。 - This "signal beam" then meets a separate reference beam, and where the two beams intersect they create an interference pattern in a light-sensitive medium.
然后，信號光會(huì )和另一獨立的參考光相遇，當兩個(gè)光束相交時(shí)，它們會(huì )在感光介質(zhì)中制造一個(gè)干涉圖樣。
