您要查找的是不是：
- lens field illumination 透镜视场照明
- 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。
- The field artillery pounded away at the for tress. 野战炮兵连续炮击那座要塞。
- This lens can magnify 20 diameter. 这个透镜能放大20倍。
- 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。
- Some adjustment of the lens may be necessary. 可能有必要调节一下镜头。
- Do you have soft contact lens care product? 有没有软性隐型眼镜保养用品？
- He uses lens to make things appear clearer. 他用镜片以便看东西更清楚些。
- The lens is often used to make telescopes. 镜片常被用来做成望远镜。
- 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。
- Don't smear the lens; I've just polished it. 别把镜头弄脏了，我刚刚擦过。
- Right-handed batters usually hit to left field. 右撇子击球手把球打到左外野。
- The runaway horse was cornered in a field. 那匹跑掉的马在田地里被圈住了。
- Tent is used by camper and by soldier in the field. 露营的人和战地的士兵用帐篷。
- The children had a field day with their new toys. 孩子们玩新玩具玩得十分开心。
- An oil well blew out in the oil field. 油田里有一口油井发生井喷。
- The camera lens must be screened from direct sunlight. 照相机的镜头不可受到阳光的直射。
- He is an adventurer in financial field. 他是金融领域的投机者。
- The castle frowned down upon the field. 城堡呈威压之势俯视原野。
