“禁令标识”的概念、定义、翻译、参考文献-科学参考

单词	禁令标识
释义	禁令标识 Encyclopedia 工学主动补光标识释 prohibitory sign禁令标识禁止或限制车辆、行人交通行为的标识。通常为圆形，个别为八角形或顶点向下的等边三角形，白底红边，红斜杠黑色图案。
随便看	porosity coefficient porosity of powder metallurgy materials porosity of soil porosity point porosity, void fraction porospore porous porous absorption porous asphalt pavement porous barrier porous cement porous ceramic membrane porous ceramics porous diffusor blow-down silencer porous electrode porous fence porous flow resistance porous layer open tubular column porous layer open tubular (PLOT) column porous material porous media porous media model porous medium equation porous medium equations porous membrane

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。