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- The spirals are not readily seen unless immunofluorescent stain or dark field illumination is employed. 螺旋体不易观察除非在荧光显微镜或暗视野显微镜观察。
- dark field illumination method 暗(视)野照明法
- dark field illumination 暗视野照明
- The annular lens dark field vertical illumination system has been more and more applied in special microscopes. 环形透镜暗场落射照明系统越来越多被应用在特型显微镜上。
- dark field illuminator 暗场照灯KГ
- dark field vertical illumination 暗场落射照明
- Outfit of phase contrast kit and dark field condenser, you may view biggest micro-image of optimization and perfection. 相衬及暗视野的配备,使您观察到的显微图像最大化的优化及完善。
- Either one is OK. I usually use dark field (diffracted beam). It will be strange if you use both. 用双束条件来确定位错的伯格斯矢量，在成像时用透射点成像，还是衍射点成像，或是用这两个点同时成像？谢谢
- Then shall the soul return to rest no more,Nor harvest dreams in the dark field of sleep -Rather the soul shall go with great resolve To dwell at last upon the shining mountains In liberal converse with the eternal stars. 那时灵魂再不会依然故态，或在黑色的睡乡中收获梦幻－－－灵魂将迈着坚定的步伐直上光芒万丈的山巅和不落的群星自由交谈。
- I groped for the light switch in the dark room. 我在黑暗的房间里摸索着找电灯开关。
- We started early in order to arrive before dark. 为了在天黑前到达，我们很早就动身了。
- It was such a night when it is good to hear from faraway, across the dark fields, the slow song of a Negro on his way to make love. 在这样的一个夜晚，你听到远处越过黑黝黝的田野，传来一个去求爱的黑人的慢悠悠的歌声，你会觉得蛮有意思。
- The field artillery pounded away at the for tress. 野战炮兵连续炮击那座要塞。
- He did not know that it was already behind him, somewhere back in that vast obscurity beyond the city, where the dark fields of the republic rolled on under the night. 他不知道那个梦已经丢在他背后了，丢在这个城市那边那一片无垠的混饨之中不知什么地方了，那里合众国的黑黝黝的田野在夜色中向前伸展。
- Design of Annular Lens Dark Field Vertical Illumination System and Its Focal Distance Offset Characteristics 环形透镜暗场落射照明系统设计及其焦移特性的研究
- Her sublimate future husband will be tall, dark, and handsome. 她理想化的未来丈夫将是身材高大，皮肤浅黑，相貌英俊。
- Before it get dark the camper put up their tent in a field. 天黑前，野营者在地里搭起了帐篷。
- The crowd cheered as the teams entered the field. 球队入场时观众们为之欢呼。
- On the map the drains of each field are laid sown. 地图上标有每一块地的排水沟。
- The thief slunk down the dark alley. 那个贼偷偷钻进黑胡同里。
