Ulmus

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)。
An elm tree(Ulmus alata) of the southeast United States,having twigs with winged,corky edges.
翅榆一種美國東南部榆樹（翼枝長(zhǎng)序榆榆屬），具有有翼和軟木質(zhì)的小枝
Preliminary analysis on genetics of phenotype measuration of plus tree of Ulmus pumita Linn.
白榆優(yōu)樹表型測(cè)定的遺傳學(xué)初步分析。
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。