Ulmus pumila

常見例句

• Technology of Grafting Ulmus pumila var, pendula Rehd.
  垂榆嫁接技術(shù)。
• Experiment on Grafting and Planting of Ulmus pumila var. Pendula Rehd.
  垂榆嫁接及栽植的試騐研究。
• A Preliminary Study on the Mathematic Model of Leaf Area of Ulmus pumila Linn.
  與相似的文獻(xiàn)。
• A Study on the Distant Hybridization between Populus alba Linn. And Ulmus pumila Linn.
  銀白楊與白榆遠(yuǎn)緣襍交的研究。
• When Urochela quadrinotata Reuter harms Ulmus pumila,the spread of disease will take a turn for the worse.
  紅足壯異蝽的危害能加重病害的流行和擴(kuò)展。
• Otherwise, the phenology phases of ulmus pumila are not significantly related to precipitation and sunshine duration.
  研究表明，榆樹物候與降水、日照關(guān)系不顯著。
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