“可变信息板”的概念、定义、翻译、参考文献-科学参考

单词	可变信息板
释义	可变信息板 Encyclopedia 工学交通信息发布系统释 variable message board可变信息板交通状况及交通诱导信息发布的重要设备。以LED发光器件为基本显示单元的交通信息显示设备，具有图形及文字显示功能。
随便看	field of frames field of functions field of geometric objects field of image field of interpretation field of line elements field of lines field of moduli field of moments field of natural coframes field of natural frames field of orthonormal coframes field of orthonormal frames field of p-adic numbers field of points field of prominences field of quotients field of rational expressions field of rational fractions field of rational functions field of rationality field of rational numbers field of rationals field of real numbers field of regard

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。