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A 30 percent higher risk was found for combination supplements containing beta carotene and vitamin A, and a 10 percent risk for supplements combining beta carotene and vitamin E.
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服用含有β-胡萝卜素和维生素A的制剂被发现有超过30％的风险，而服用含有β-胡萝卜素和维生素E的制剂则有超过10％的风险。 |
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A 30% deposit is required for cake ordered over 2 lbs.
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如订购超过2磅之蛋糕，贵客须先付3成订金。 |
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A 30-couniry sample from the Conflict and Peace Data Bank (COPDAB) is used and divided into three blocs, namely, a Western bloc, a Middle Eastern bloc, and an Eastern bloc, to represent the three parties.
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使用冲突与和平数据库三十国样本，并将它分为三个第三国区块：西方区块、中东区块及东方区块。 |
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A 30-minute massage is not very expensive and isgreat for relieving stress and improving your mood.
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一次三十分钟的按摩花不了多少钱，但却能缓解压力，释放心情。 |
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A 30-year-old listener in Vietnam says he cannot see well and doctors have told him he has retinal degeneration.
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一个来自的越南的30岁的听者说他看东西不清楚，而且医生已经告诉他视网膜恶化。 |
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A 30-year-old male with a family history and present symptoms of malignant change of colonic polyps in descending colon and metastasis to Virchow's node and the liver was presented to our hospital.
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经临床检查显示此病例亦有家族性大肠息肉症合并降结肠腺癌，及有肝及左上锁骨淋巴结转移。 |
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A 300-mm thick polystyrene plate, which had 100-mm wide and 100-mm deep trenches at 400-mm intervals, was employed for the substrate.
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一个300微米厚的聚苯乙烯盘，100微米宽、100微米深的沟壑按400微米雕刻，被用来做底盘。 |
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A 309 SS inlay is standard in the gasket area of the body on ANSI class 2500 valves. For this option on other pressure classes, specify special features suffix H.
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ANSI等级2500阀门的阀体的垫圈区域嵌入309不锈钢是一种标准配置。而其它压力等级只是作为一个选项，需要这种特殊配置时，请在型号后加上一个后缀“H”加以指定。 |
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A 309 SS inlay is standardly furnished in the gasket area of the body on ANSI class 2500 valves. For this option on other pressure classes, specify special features suffix H.
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ANSI等级2500阀门的阀体的垫圈区域嵌入309不锈钢是一种标准配置。而其它压力等级只是作为一个选项，需要这种特殊配置时，请在型号后加上一个后缀“H”加以指定。 |
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A 32-y.o. male drove his vehicle into the back of a tractor-trailer truck. When would you stabilize his cervical spine?
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一名32岁男性开车从后面撞上一辆卡车，请问应在何时固定伤患的颈脊? |
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A 33-year-old male had suffered from one mildly tender dome-shaped protruding mass measuring 0.8×0.8×0.5cm in size over the tip of the right index finger for about 3 months.
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摘要一位33岁男性于近三个月在右手食指顶端出现一轻微压痛之圆顶型肿块，其大小约0.8×0.8×0.5公分。 |
