单词	graded-index
释义	graded-index 缓变折射率
随便看	point model point module alarm indicatior point mortar joint point motion wheel point movement point multinomial distribution point-multipoint message traffic point mutation pointmutation point mutation (bridges 1923) point mutations point name point net point neutral point-no-point point nose bent tool point number point oars point object point observation method point of point of abscess point of absolute zero point of accumulation point of action 好景画难描好景良天好景良辰好梦依然少好梦易随流水去好梦留人睡好梦留人睡好梦频惊好江山好烈烈轰轰做一场もあれもいすちゃーもうもうもうもうもうもうもうもう