Assuming the same quality of manufacture, prisms give less light scatter, a good thing.And unlike a mirror, they are also self collimating.是什么意思_Assuming the same quality of manufacture, prisms give less light scatter, a good thing.And unlike a mirror, they are also self collimating.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句