“海河平原”的概念、定义、翻译、参考文献-科学参考

单词	海河平原
释义	海河平原 Encyclopedia 理学海河平原释 Haihe Pingyuan海河平原中国华北平原的一部分，华北地区主要农业区。又称河北平原。
随便看	doubly heavy flavor physics doubly infinite sequence doubly interval censored data doubly invariant doubly irreducible element doubly linked list doubly-magic nucleus doubly magic square doubly noncentral F-distribution doubly nonnegative matrix doubly ordered set doubly periodic function doubly plus operator doubly projective variety doubly resonant oscillator doubly ruled surface doubly salient motor doubly salient motor with electric excitation doubly stochastic matrix doubly stochastic Poisson process doubly straight line doubly transitive group doubly truncated Witt graph doubly well-ordered set doubtful region

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。