“背景幕布”的概念、定义、翻译、参考文献-科学参考

科学参考收录了1248194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。

单词	背景幕布
释义	背景幕布 background screen
随便看	directional pattern directional phase changer directional phase shifter directional polish directional power meter directional power protection directional power relay directional preponderance directional pressure directional properties directional property directional pull directional reading hardness test directional receiver directional reception directional relay directional response pattern directional screen directional selection directional selectivity directional separation filter directional shooting directional shrinkage directional silicon steel directional silicon steel strip