white elm

常見例句

• Cold resistance Species selected are weeping willow,spruce,white elm,Chinese tamarisk and desert date.
  經(jīng)抗寒性分析得出垂柳、云杉、白榆、檉柳、沙棗抗凍性較強(qiáng) ;
• It is suggested that these characters could be consideredd as early selection and evaluation indexes of white elm.
  可以考慮用它們作為白榆早期選擇與評價的指標(biāo)。
• Variance analysis and multiple comparison indicate that differences in all characters of white elm half-sib families and clones are significan at 0.05 level or 0.01 level except for the ratio of fresh weight to dry weight among half-sib families.
  方差分析和差異顯著性檢驗的結(jié)果表明，除鮮/干比在半同胞家系間差異沒有達(dá)到顯著水平外，其它性狀在半同胞家系間和無性系間差異均達(dá)到了顯著或極顯著水平。
• So we measured the white elm tussock moth, an important poplar leaf-eating pest of the Northwest region, studied the energy flows and revenue and expenditure law systematically in its whole life history.
  因此，本文選定西北地區(qū)楊樹主要食葉害蟲楊毒蛾為試蟲、系統(tǒng)的研究了其整個生活史過程中的能量流動和收支規(guī)律，研究結(jié)果如下：
• Eighteen white elm (Ulmus pimila linn.)
  本文以十年生白榆（Ulmus pimila linn.;）
• THE INVESTIGATION OF SELECTION AGE IN WHITE ELM PROVENANCE TEST
  白榆種源試驗中選擇年齡的探索
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