“natural epidemic focus”的概念、定义、翻译、参考文献-科学参考

单词	natural epidemic focus
释义	natural epidemic focus Encyclopedia 理学自然疫源地释 natural epidemic focus自然疫源地在一些野生动物中长期存有某种传染性病原体的地区。
随便看	semi-symmetric graph semisymmetric graph semi-symmetric quasigroup semi-symmetry semi-symplectic semi-symplectic space semi-symplectic transformation semi-synthesis semisynthesis semi synthetic fiber semi-synthetic fiber semisynthetic medium semit semi-tandem rolling mill semi-tangent semi-tensor semi-tensor product of matrices semi-ternary semi-Thue process semi-Thue system Semitic group semitight semi tone semitone semi-top-down method

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。