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- An optical device, such as a pair of field glasses or opera glasses, designed for simultaneous use by both eyes and consisting of two small telescopes joined with a single focusing device. Often used in the plural. 雙目鏡由兩個小望遠鏡和一個調焦設備組成的光學設備，如一副雙筒望遠鏡或觀劇用的小望遠鏡，設計為同時用雙眼觀看。常用複數形式
- single focusing mass spectrometer 單聚焦質譜儀
- Rotary anode, single focus, and bridge silicon rectification, The X-ray generator is an oil-immersed self-cooled unit. 旋轉陽極,單焦點,橋式硅整流,油浸自冷組合式。
- Stationary anode, single focus, and bridge silicon rectification, The X-ray generator is an oil-immersed self-cooled unit. 固定陽極,單焦點,橋式硅整流,油浸自冷組合式。
- Among the various types of art, due to its fixed nature, single focus and reticence, the portrait is an ambiguous sort of work. 在對肖像的解釋中，有兩個尤其不能忽視。
- Single focus on economic benefit of technology innovation shows limitation such as conflict between development and environment, revealing unbalance of economic increase and social welfare. 以往農業發展中注重技術創新的經濟目標的局限性及由此帶來的發展與環境的矛盾、經濟增長與社會福利失衡的矛盾等是制約「三農」問題解決的瓶頸。
- Single focus on economic benefi t of technology innovation shows limitation such as con? ict between development and environment,revealing unbalance of economic increase and social welfare. 以往農業發展中注重技術創新的經濟目標的局限性及由此帶來的發展與環境的矛盾、經濟增長與社會福利失衡的矛盾等是制約「三農」問題解決的瓶頸。
- The letter was written on a single sheet of paper. 這封信只用一張紙寫成。
- One single, second class, to winchester, please. 買一張去溫撤斯特單程二等票。
- He got over the stream with a single leap. 他一躍就跳過了小溪。
- The bridge crosses the river in a single span. 河上那座橋是單跨橋。
- Do you want a single or a return ticket? 你要單程票還是往返票?
- focusing instrument 調焦儀
- Is the material single width or double width? 這幅料子是單幅的還是雙幅的？
- I have had to work for every single penny I earned. 我掙的每一便士都是辛苦工作得來的。
- The huntsman fired a single shot at the lion and settled its hash. 獵人朝那隻獅子開了一槍，把它打死了。
- Five twenties and ten single, please. 請給我5張20元的和10張1元的。
- She wore a single orchid on her evening dress. 她在晚禮服上綴著一朵蘭花。
- Up to yesterday, I thought he was single. 直到昨天，我一直以為他是獨身。
- Can you let me have a room with two single bed? 可以給我一間兩張單人床的房間嗎？
