专业释义英英释义
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分离部位 - 引用次数：1 参考来源 - 从天然提取物或分离部位中以烯醇式丙酮酸转移酶为靶点的抗细菌活性筛选 Searching for Antibacterial Activities of Extracts and Fractions Derived from Natural Sources Targeting Enoylpyruvate Transferase
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馏分 - 引用次数：25
The essential oil of Migao extracted by supercritical fluid extraction was separatedinto a number of fractions by molecular distillation(MD) and separated into severalfractions by traditional column chromatography.
对米槁精油的分离进行了研究,用分子蒸馏将精油切割为不同的馏分,探讨了分子蒸馏的数学模型。
参考来源 - 米槁精油提取与分离及其化学成分的研究 -
分离部位 - 引用次数：1 参考来源 - 从天然提取物或分离部位中以碳酸酐酶II为靶点的抗骨质疏松活性筛选 Searching for Antiosteoporotic Activities of Extracts and Fractions Derived from Natural Sources Targeting Carbonic Anhydrase II
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柯林斯英汉双解大词典
fraction /ˈfrækʃən/ CET4 TEM4
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1.
N-COUNT A fraction of something is a tiny amount or proportion of it. 少量
例：She hesitated for a fraction of a second before responding.
她犹豫了一下才回应。
例：Here's how to eat like the stars, at a fraction of the cost.
这就是如何花少量钱却能像明星一样吃喝的方法。
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2.
N-COUNT A fraction is a number that can be expressed as a proportion of two whole numbers. For example, 1/2 and 1/3 are both fractions. 分数
例：The students had a grasp of decimals, percentages and fractions.
学生们掌握了小数、百分数和分数。
双语例句原声例句权威例句
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The students had a grasp of decimals, percentages and fractions.
学生们掌握了小数、百分数和分数。
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He was so clever; he could reckon fractions in his head.
他是那么聪明；他能心算分数。
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You do fractions, then you do decimals.
你先学习分数，然后，学习小数。
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Each of those topics - from adding and subtracting to fractions and decimals - is approached in three different stages.
VOA: standard.2010.08.10
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In principle, you could bill your clients for fractions of a second or fractions of a minute.
原则上,你可以按分钟或者按秒钟,从你的客户那里收取费用
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Because I forgot what happens when you look at fractions.
因为我忘了处理分数的时候,应该注意的问题。
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