“Practical Public Relations”的概念、定义、翻译、参考文献-科学参考

单词	Practical Public Relations
释义	Practical Public Relations Encyclopedia 文学【公共关系作品】释 Practical Public Relations《实用公共关系学》一部较早影响中国公关行业和教育的著作。
随便看	homotopy associative homotopy associative mapping homotopy associativity homotopy axiom homotopy boundary homotopy category homotopy chain homotopy characteristic homotopy class homotopy classification homotopy coherence homotopy coinverse homotopy-commutative homotopy-commutative diagram homotopy-commutative mapping homotopy constant homotopy continuation method homotopy covering property homotopy cylinder homotopy dimension homotopy epimorphism homotopy equivalence homotopy-equivalent homotopy-equivalent manifold homotopy-equivalent space

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。