“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	productive approval of new military aircraft productive asset investment productive consumption productive cost of circulation productive department and nonproductive department productive dictionary productive economics productive exploration productive failure productive fishery auxiliary vessel productive force productive forest biological assets productive function productive infrastructure productive labor and non-productive labor productive ore reserve productive plantation area productive practice productive property productive sampling productive set productive testing productive testing for agricultural machinery productive vibration productive vibration measurement

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。