| 单词 | distant early-warning line | 
| 释义 | distant early-warning line [`dis·tǝnt ´ǝr·lē `wȯrn·iŋ ´līn]  ORDNANCE Defense line of radar stations at about the 70th parallel on the North American continent.  | 
	
| 随便看 | 
	
  | 
	
科学参考收录了103327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。