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- Double ring zoom 双环式变焦镜头
- The process marked with a double ring is an error trapping process. 使用双环标记的进程为错误捕获进程。
- With the progress of CCAE,the thickness of gallblader wall and appearing rate of “double ring”sign are increased. 基于此现象与文献报道的急性胆囊炎囊壁超声诊断指标差异较大，故需引起注意，以免漏诊和误诊。
- Three cases were chronic cholecystitis.There were 14 cases of CCAE and 7 cases of septic and gangrenous cholecystitis with “double ring”sign. 出现“双环”征在慢性胆囊炎急性发作者中为14例，化脓性及坏疸性胆囊炎中7例。
- The speed table and the ratemeter altered to aeronautical instrument's double ring chrome-plating design, the night light also transformed hotter red from the green. 时速表和转速表则改成了航空仪表的双圆环镀铬设计，夜灯也从绿色转化成了更加火辣的红色。
- Designer Arnaud Lapierre (love the name) designed a prototype watch in conjunction with Swatch.The end result is a double ring ceramic device that tells time by touch called Sens. 最上面的圆圈通过与12点钟位置的距离来指示现在几点，第二个圆圈是定时用的，可以不用看地设定闹钟时间。
- Conclusion: The technique of reduction mammoplasty in resection of sections of glandular tissue with periareola concentric double ring incisions is a simple, practical and easy method. 结论：本术式行巨乳缩小塑形效果可靠，方法简便实用。
- DOUBLE RING TRACTOR CHAINS FEATURE CASE HARDENED ROTATING CROSS CHAIN RINGS,PROVIDING CONSISTENT WEAR AND SUPERIOR TRACTION IN THE MOST DIFFICULT MUD AND SNOW CONDITION. 双圆环拖拉机链以能转动的、表面经硬化处理的过渡链为特色，在泥泞和有雪条件下防滑性能出色。
- Double ring for ear-shaped traveller 合纱机用金属环
- ADRS ( adaptive double ring scheduling ) 自适应双环调度
- He is working double tides to finish his essay. 他日夜苦干，赶写他的文章。
- I do not realize it is a double feature. 我原先不知道这是双片连映。
- Double agents live in a perpetual state of fear. 两面派永远过着提心吊胆的生活。
- I want a double room with a view. 我要一间能看到风景的双人房间。
- He was so fat that he had a double chin. 他胖得有双下巴了。
- The carpet is too thick to double up. 这地毯太厚没法折叠。
- Is the material single width or double width? 这幅料子是单幅的还是双幅的？
- Reserve double room June fourth to tenth inclusive. 预订双人房间，六月四日至十日，共六晚，望订妥复电。
- In this case, I can double for penalty. 假如这样的话，我可以叫加倍了。
- Can you tell me the rate for a double room, please? 请告诉我一间双人房的费用可以吗？
