“port system”的概念、定义、翻译、参考文献-科学参考

单词	port system
释义	port system Encyclopedia 理学港口体系释 port system港口体系一定地域内不同类型、等级和职能的港口或码头的空间分布与组合。
随便看	propensity score matching proper proper acceleration proper action proper additive character proper affine hypersurface proper affine sphere proper affine transformation proper affinity proper analytic mapping proper angular momentum proper automorphic transformation proper axiom proper base proper character proper characteristic element proper charge density proper chord proper circle proper circular domain proper class proper coloring proper complex orthogonal group proper component proper concave function

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。