“通行信号标”的概念、定义、翻译、参考文献-科学参考

单词	通行信号标
释义	通行信号标 Encyclopedia 工学水运交通指示释 traffic mark通行信号标设在上、下行船舶相互不能同视，同向并驶或对驶有危险的狭窄、急弯航段或单孔通航的桥梁、通航建筑物及施工禁航等需通航控制的河段的水上助航标志。
随便看	Keyser keysets key sharing key shelterbelt development program in the "Three North" region，the Yangtze River basin and other river basins keys in conditional access system key size key space key space entropy key species key state-owned forest state-owned forest regions keystone keystone ecosystem keystone species keystone species of aquatic community key stream keystroke-level model Keystroke-logging keystroke monitoring key substation key technologies of mobile communication key technology research and development of large site protection key theorem Key to Calligraphy key to entries Key to Poetic Rhythm

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。