leaf sheath

基本解释

• [植] 叶鞘

英汉例句

双语例句

• The area of duct is bigger than that of phloem in flag leaf and leaf sheath , but smaller in the first internode, primary branch and secondary branch.
  不同部位维管束性状的差异较大，叶片、叶鞘的导管面积大于韧皮部面积，穗颈节间、一次枝梗、二次枝梗的韧皮部面积大于导管面积；
• The relationship between spikelet fertility and the green leaves area, the dry matter dynamic of leaf sheath and culm of different cultivars was analyzed.
  对不同品种绿叶面积和茎鞘干物质的动态变化及其与子粒结实的关系进行了分析。
• The floret number was significantly correlated with the weights of leaf, leaf sheath, whole main stem or tiller, and leaf area, but not with the length of stem.
  孕穗期小花数均与叶面积、叶片重、叶鞘重和总干物重呈显著或极显著正相关，而与茎高的相关不显著。

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词组短语

短语

• Leaf -sheath 叶鞘
• Banded leaf and sheath blight 纹枯病;与纹枯病
• wheat leaf -sheath assay 小麦叶鞘检验法
• leaf sheath scar 叶鞘痕
• Young leaf sheath 幼叶鞘

• leaf sheath更多词组

英英字典

柯林斯英英字典

• the basal part of a grass leaf that encircles the stem

• leaf sheath剑桥字典
• leaf sheath柯林斯字典

专业释义

农业科学

• 叶鞘

  The cells of the leaf sheath differed greatly from those of the leaf blade in their morphology.
  高粱叶鞘薄壁细胞的形态与叶片细胞的显著不同。 对高粱叶片和其他营养器官细胞形态变化的生态生理意义进行了讨论。

  生物学

• 叶鞘

材料科学

• 叶鞘