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- Methods Examined 116 cases(145 eyes) by direct ophthalmoscope,three mirror contact lens and fundus fluorescein angiography. 方法对116例(145眼)眼挫伤经直接检眼镜和三面镜检查及眼底荧光血管造影检查。
- The above curve data illustrates the excellent S2.1M horizontal tweeter dispersion characteristics taken at 0 degrees (on axis), 15 degrees, 30 degrees, and 45 degrees off axis. 上图曲线数据说明在0度（轴向），15度，30度，45度（偏离轴向），优秀的S2.;1M水平高音离散特性。
- The big mirror has splintered off. 这面大镜子破碎了。
- off axis power density radiation 离轴辐射功率密度
- on-axis Three Mirror Anastigmatic(TMA) system 共轴三反系统
- on-axis Three Mirror Anastigmatics(TMA) 同轴三反
- John tore off a play in three weeks. 约翰在三周时间内草草写成了一个剧本。
- The three mirrors are directly mounted on the Silicon Carbide plates using titanium bolts. 三块反射镜使用钛制螺栓直接安装在碳化硅的端板上。
- The hunter cut off the animal's head with one chop of an ax. 猎人一斧砍下猎物的头。
- The bomb went off, killing three people. 炸弹爆炸，炸死了3个人。
- He bit off a large piece of the apple. 他咬下一大块苹果。
- For example, a mirrored media set that consists of four media families with three mirrors requires twelve backup devices. 例如,包含四个媒体簇、三个镜像的镜像媒体集需要十二个备份设备。
- He is a great guy, a chip off the old block. 他是一位好人，就像他父亲一样。
- The front cover of the novel has been torn off. 这本小说的封面已被撕掉。
- I'd like to see what chance I could find to trade off my ax handles. 我要看看我能找个什么机会卖掉我这些斧头柄。
- It took them three years to pay off the debt. 他们三年才还清欠债。
- The use of monolithic SiC has enabled us to cleverly answer the requirements with this extremely simple concept made up of only three structural elements and three mirrors. 通过采用整体碳化硅结构，我们使用了一个仅仅包含三个结构件和三个反射镜，极其简单的方案，巧妙地满足了需求。
- off axis parabolic mirror 离轴抛物面反射镜
- off axis paraboloidal mirror 离轴抛物面镜
- She's cast off three boy-friends in a month. 她一个月里就甩了三个男朋友。
