平视野物镜flat: adj. (flatter; flattest) 1.平 ...field: n. 1.原野,旷野;(海、空、冰雪等的)茫茫一片。 2 ...objective lens: objective lens =object glass ...flat-field achromatic objective lens: 平场消色差物镜flat field objective: 平场物镜; 平视野物镜下载手机词典可随时随地查词查翻译