“exotic weeds”的概念、定义、翻译、参考文献-科学参考

单词	exotic weeds
释义	exotic weeds Encyclopedia 农学〔地理起源分类〕释 exotic weeds外来杂草由人为因素有意或无意被引入到新生态环境，能在其中自然延续种群，并对新生态环境或其中的物种构成一定威胁的草本植物。
随便看	inverse isotope effect inverse iteration inverse iteration; inverse power method inverse kinematics inverse Lamb dip inverse Laplace transform inverse law inverse leakage curren inverse leakage current inverse limit inverse linear operator inverse linear transformation inverse logarithm inversely conformal transformation inversely congruent inversely isomorphic algebra inversely ordered set inversely proportional inversely similar inversely well-ordered set inverse magnetic anomaly problem inverse magnetooptical effect inverse magneto-optic effect inverse mapping inverse mapping theorem

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