柯林斯英汉双解大词典
leaf sheath
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1.
N the basal part of a grass leaf that encircles the stem 叶鞘 [botany]
双语例句
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The flag leaf sheath length affects heading.
倒一叶鞘长度显著影响出穗效果。
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It was shown in the populations that the apiculus coloration matched to basal leaf sheath coloration in each plant.
在各个植株上，稃尖颜色和叶鞘颜色的表现完全相同。
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Nitrogen output rate from flag leaf, stem and leaf sheath were increasing, but nitrogen contribution rate was decreasing with varietal development.
随着品种演替，旗叶、茎杆和叶鞘中的氮素输出率增加，而输出氮的贡献率则与此相反。
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