They created the first double helix model of DNA in 1953. Photograph: ap.
他们在1953年构建了第一个DNA双螺旋结构。
The first double word of every frame points to the next frame and this is immediately followed by the address of the calling function.
每一帧的第一个双字（double word）指向下一帧，这后面紧跟着调用函数的地址。
The first double arm transplant was performed in Germany July 25, in which a 54-year-old man was given the arms of a 19-year-old boy who died in a car crash.
一名54岁男子25日在德国接受世界首例双臂移植手术，被移植手臂原属一位死于交通事故的19岁少年。
Meanwhile, newspapers' online ad sales dropped 13% year-over-year in Q1, their first double-digit decline since the Newspaper Association started measuring them in 2004.
与此同时，报纸的在线广告第一季度同比下跌13%。 这是自2004年来报业协会开始统计后首次出现两位数的衰退。
Macau Xiwan bridge is the first double-layer pre-stressed concrete cable-stayed bridge in the world.
西湾大桥是世界首座双层交通预应力混凝土斜拉桥。
The first double deck diesel multiple unit in China has been developed inhouse by Tangshan Locomotive and Rolling Stock Works.
介绍了由唐山机车车辆厂自行研制开发的国内首列双层内燃动车组。
Thee UK's first double hand transplant operation has taken place at Leeds General Infirmary and the patient says his new hands look "tremendous".
英国首例双手移植手术在利兹总医院进行，病人称他的新手看起来“非常完美”。
But the construction of Mumbai's first double-tiered flyover has been anything but easy, with resettlement and land acquisition proving a logistic nightmare.
但孟买首条双层天桥的施工非常困难，重新安置居民及收地简直是一场噩梦。
Society/Environment: First double amputee qualifiesfor 400-meter Olympic sprint in London. Places fourth.
社会及环境：双截肢者首次获得参加伦敦奥运会短跑比赛资格，并获第四名。
We will install the Remote Administrator Server first. Double click the file and start the installation.
我们会先安装远端管理伺服器，双击其安装档案开始安装。
We will install the Remote Administrator Server first. Double click the file and start the installation.
我们会先安装远端管理伺服器，双击其安装档案开始安装。
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