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DNA double helix
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DNA double helix
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理学
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DNA double helix
DNA双螺旋
由两条互补的多聚脱氧核苷酸链反向平行所形成的螺旋构象。通常指B型双螺旋或B型DNA。
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extra dimension model
extradition
Extradition Convention between the Governments of Costa Rica,Guatemala,Honduras,Nicaragua and Salvador
extradural heat hematoma
extraembryonic coelom
extraembryonic ectoderm
extraembryonic endoderm
extraembryonic membrane
extraembryonic mesoderm
extra exposure
extra fine sand made of tailings
extrafloral nectary
extrafocal
extrafocal image
extrafocal photometer
extrafocal photometry
extra-foveal vision
extragalactic
extragalactic astronomy
extragalactic astrophysics
extragalactic background
extragalactic background light
extragalactic background radiation
extragalactic binary
extragalactic Cepheid
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