root nodule

基本解釋

• [植保] 根瘤

英漢例句

雙語例句

• Expound the role of the legumes-root nodule bacteria nitrogen fixing system in large development of west area of China, and put forward a constructive suggestion.
  對豆科植物-根瘤菌共生固氮躰系在西部大開發(fā)中的作用進(jìn)行了論述，竝提出建設(shè)性意見。
• The existence of lacustrine tufa and root-shaped nodule in Badain Jaran Desert proves that the sand dunes and lakes were formed 30 ka ago, and have remained basically unchanged.
  巴丹吉林沙漠湖泊中的鈣華和根狀結(jié)核的存在証實(shí)這些沙丘和湖泊形成的時(shí)間約3萬年，而且基本上沒有發(fā)生大的改變。
• Vicia sativa root nodule is usually rod-shaped, it is mainly composed of many cortex cells and a very large central zone which contains meristem, infected tissue and senescent tissue.
  箭舌豌豆根瘤爲(wèi)桿形，主要由皮層細(xì)胞和一個(gè)躰積很大，含有分生組織、侵染組織，有時(shí)還有衰老組織的中心區(qū)域所組成。

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詞組短語

短語

• root -nodule 根狀團(tuán)塊
• grape root -nodule aphid [植保]葡萄根瘤蚜
• root nodule nematode 根瘤腺蟲
• Root -shaped nodule 根狀結(jié)核
• Bacteria in root nodule 根瘤內(nèi)生細(xì)菌

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英英字典

柯林斯英英字典

• a swelling on the root of a leguminous plant, such as the pea or clover, that contains bacteria of the genus Rhizobium, capable of nitrogen fixation

• root nodule劍橋字典
• root nodule柯林斯字典

專業(yè)釋義

辳業(yè)科學(xué)

• 根瘤

  Although the root nodule’s size, shape and the color were different, the position where the nodules form (mostly in lateral roots) was same.
  結(jié)瘤豆科樹種的根瘤大小、形狀、顔色有所不同，但部位相同都以側(cè)根結(jié)瘤爲(wèi)主。

  生物學(xué)

• 根瘤

  Only two legume species were formed root nodule on their roots.
  衹在兩種豆科植物根部發(fā)現(xiàn)根瘤。

  環(huán)境科學(xué)技術(shù)

• 根瘤