leaf sheath

基本解釋

• [植] 葉鞘

英漢例句

雙語例句

• 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.
  不同部位維管束性狀的差異較大，葉片、葉鞘的導(dǎo)管面積大于韌皮部面積，穗頸節(jié)間、一次枝梗、二次枝梗的韌皮部面積大于導(dǎo)管面積；
• The relationship between spikelet fertility and the green leaves area, the dry matter dynamic of leaf sheath and culm of different cultivars was analyzed.
  對不同品種綠葉面積和莖鞘干物質(zhì)的動態(tài)變化及其與子粒結(jié)實的關(guān)系進行了分析。
• 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.
  孕穗期小花數(shù)均與葉面積、葉片重、葉鞘重和總干物重呈顯著或極顯著正相關(guān)，而與莖高的相關(guān)不顯著。

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詞組短語

短語

• Leaf -sheath 葉鞘
• Banded leaf and sheath blight 紋枯病;與紋枯病
• wheat leaf -sheath assay 小麥葉鞘檢驗法
• leaf sheath scar 葉鞘痕
• Young leaf sheath 幼葉鞘

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英英字典

柯林斯英英字典

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

• leaf sheath劍橋字典
• leaf sheath柯林斯字典

專業(yè)釋義

農(nóng)業(yè)科學(xué)

• 葉鞘

  The cells of the leaf sheath differed greatly from those of the leaf blade in their morphology.
  高粱葉鞘薄壁細胞的形態(tài)與葉片細胞的顯著不同。 對高粱葉片和其他營養(yǎng)器官細胞形態(tài)變化的生態(tài)生理意義進行了討論。

  生物學(xué)

• 葉鞘

材料科學(xué)

• 葉鞘