“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	plane heterogeneity plane hologram plane intersection management plane involution plane lattice plane layout ofunderground space plane-like plane mirror planemo plane monochromatic electromagnetic wave plane motion plane motion of a rigid body plane motion of rigid bodies plane moving mechanical parking system plane number plane of circular section plane of complex numbers plane of coordinates plane of emergence plane of human body plane of incidence plane of metro line plane of oscillation plane of perspectivity plane of polarization

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。