“whistle board”的概念、定义、翻译、参考文献-科学参考

单词	whistle board
释义	whistle board Encyclopedia 工学水运交通指示释 whistle board鸣笛标设在通航控制河段或上、下行船舶不能相互通视的急转弯的上下游两端河岸上，指示船舶鸣笛的水上助航标志。
随便看	ordinary binding ordinary character ordinary chondrite ordinary concrete ordinary concrete structure ordinary congruence ordinary continued fraction ordinary convergence ordinary cosmetic ordinary curve ordinary cusp ordinary derivative ordinary dichotomy ordinary difference equation ordinary differential equation ordinary differential equation order ordinary differential equation without prehistory ordinary differential operator ordinary Dirichlet series ordinary discontinuity ordinary distribution ordinary double point ordinary element ordinary elliptic curve ordinary elliptic curves

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。