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A randomized, controlled trial was designed to compare high-and low-osmolar contrast media.
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本组随机对照试验就高渗和低渗两种造影剂进行对比。 |
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A range in relation to an optical system, such as a camera lens, representing distances great enough that light rays reflected from objects within the range may be regarded as parallel.
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（聚焦区）无限远与光学系统（如照像镜头）有关的一个范围，表示距离是如此之远，以至于从在这一距离的物体上反射回来的光可以视为平行光线 |
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A range of delicious dishes prepared with seasonal squash, melon and fruits, to delight a summer cuisine.
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选用时令瓜果、水果精心炮制一系列美味的菜式，带来一夏精彩美味。 |
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A range of demographic groups plays video games, and key to understanding their enjoyment is the motivational pull of the games.
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人数众多的游戏团队在（迷于）玩游戏，其关键是要理解玩家们的享受就是游戏的推动。 |
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A range of different angle cutters provided for different blades used to ensure that all cuttings are straight enough for perfect matching .
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切刀模根据模切刀的角度制作，保证切出的鹰嘴挺直不弯曲，接刀效果好。 |
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A range of processes is now being practiced commercially in semi-solid forming.
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一系列工艺过程现已应用在半固态成型的商业实践中。 |
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A range of the newest types of handbags has been sent to you by airmail parcel today.
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另以航空包裹形式寄去最新样式的样品一套。 |
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A range of values or conditions, especially the range of exposures over which a photographic film yields usable images.
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安全曝光的时限价值或情况的范围，尤指曝光范围，在此期限内摄影用的底片能产生可用的影象 |
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A rank within the family group between superfamily and subfamily. (2) A taxon at the rank of family.
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科群中在首科和亚科之间的一个分类层级。(2)科级的一个分类单元。 |
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A rape that is committed by a woman's date.
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由女性的约会对象实施的强奸。 |
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A rapid decrease in kidney function was defined as a decrease in estimated glomerular filtration rate (GFR) of at least 6 mL/min per 1.73 m per year.
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以后每4个月.肾脏功能的快速减退被界定为一种评估肾小球滤过率(GFR)的下降，至少为6毫升/每分钟1.73米左右。 |
