vigna

常见例句

用作名词 (n.)

• Comparative test between field resistance and yield of several varieties of Vigna unquiculata ssp.
  长豇豆不同品种田间抗病性及产量比较。
• Studies on Yield Loss and Dynamic Economic Threshold of Cowpea Aphid Aphis craccivora Koch on Cowpea, Vigna sp.
  豆蚜危害豇豆损失率及动态经济阈值研究。
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