“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	negative sign negative skewness negative skin friction of piles negative spinor negative stable matrix negative staining negative strand negative stress negative subspace negative supercoiling negative surface energy negative system of roots negative temperature negative temperature coefficient negative term negative thermal expansion negative thermal expansion material negative thixotropy negative transitivity negative uniaxial crystal negative value negative variation negative variation of a function negative variation of signed measure negative vector

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。