“epidemic link of parasitic disease”的概念、定义、翻译、参考文献-科学参考

单词	epidemic link of parasitic disease
释义	epidemic link of parasitic disease Encyclopedia 医学寄生虫病的流行环节释 epidemic link of parasitic disease寄生虫病的流行环节寄生虫病能够从一个个体传播给新的个体所必须具备的条件，即必须有传染源、传播途径和易感者三个条件，通常将之称为寄生虫病流行的三个环节。
随便看	nonnegative measure nonnegative number nonnegative operator nonnegative orthant nonnegative partial sum nonnegative quadratic form nonnegative semi-definite matrix nonnegative solution nonnegative splitting nonnegativity nonnegativity condition nonnegativity requirement non nesting matching non-nesting matching nonnesting matching non nesting partition non-nesting partition nonnesting partition non neutral plasma non-neutral plasma nonneutral plasma non-Newtonian behavior non-Newtonian flow non-Newtonian flows non Newtonian fluid

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