“保护区标识系统”的概念、定义、翻译、参考文献-科学参考

单词	保护区标识系统
释义	保护区标识系统 Encyclopedia 农学公众教育释 reserve identification system保护区标识系统自然保护区中能明确表示内容、位置、方向、原则等功能，以文字、图形、符号形式构成的视觉图像系统。
随便看	doubly connected doubly connected domain doubly connected space doubly even number doubly even symbol doubly-fed asynchronous genertor doubly fed electric machine doubly heavy-flavored hadron 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

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。