“pear powdery mildew”的概念、定义、翻译、参考文献-科学参考

单词	pear powdery mildew
释义	pear powdery mildew Encyclopedia 农学梨白粉病释 pear powdery mildew梨白粉病由拟小卵孢菌（Ovulariopsis sp.）引起的梨的真菌病害。
随便看	topological divisor of zero topological dual topological duality topological dynamical system topological dynamics topological edge state topological elementary excitation topological embedding topological entanglement topological entropy topological equisingularity topological equivalence topological extension topological fibering topological field topological field theory topological flow topological foliation topological function topological function theory topological functor topological generator topological geometry topological G-module topological graph

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