• 估计人类四分之一深受原生动物性疾病之害。

    It has been estimated that at any given moment a quarter of mankind is afflicted with severely debilitating protozoan diseases.

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  • 每年产生的温室气体中,约有四分之一是由世界的食物系统产生的。

    The world's food system is responsible for about one quarter of the planet-warming greenhouse gases that humans produce each year.

    youdao

  • 但是却是人类基因组工程预算四分之一

    But it is only about a quarter of what the Human Genome Project cost.

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  • 人类利用了地球大约四分之一初级生产资源(是由植物组织光合作用所产生)。 虽然已经很多但是还没有达到用尽的地步。

    Mankind appropriates about a quarter of what is known as the net primary production of the Earth (this is the plant tissue created by photosynthesis)—a lot, but hardly near the point of exhaustion.

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  • 一种表达方式人类可以燃烧释放已知石油天然气和煤储量四分之一

    Put another way: humanity can only afford to burn and vent less than one quarter of known oil, natural gas and coal reserves.

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  • 家雀一直以来都在被人类深入研究基因测试表明,它们四分之一来自配偶以外其它雄性

    Among barn swallows, that have been extensively studied, about a quarter of the nestlings were sired by a male other than the mate, according to genetic tests.

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  • 四分之一人类基因组大小

    This is about one-fourth the size of the human genome.

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  • 成百上千存在于人类细胞中的线粒体占据整个细胞质四分之一

    Hundreds to thousands of mitochondria exist in each human cell, occupying up to a quarter of their cytoplasm.

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  • 人类燃烧煤炭石油天然气排放二氧化碳,有超过四分之一被海洋所吸收

    The oceans have absorbed more than a quarter of all of human carbon dioxide emissions - generated by burning coal, oil and natural gas.

    youdao

  • 前人研究表明,基因突变失活以后,引发人类原发性小脑症,病人的容量仅有正常人的三分之一四分之一相当于早期类人猿的脑容量。

    It was reported that truncated mutations in this gene can cause primary microcephaly in humans with a brain size comparable with that of early hominids.

    youdao

  • 前人研究表明,基因突变失活以后,引发人类原发性小脑症,病人的容量仅有正常人的三分之一四分之一相当于早期类人猿的脑容量。

    It was reported that truncated mutations in this gene can cause primary microcephaly in humans with a brain size comparable with that of early hominids.

    youdao

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