视线覆盖范围
以上为机器翻译结果，快速获取精准的人工翻译结果，建议选择有道人工翻译
?视距
... Optical Line Of Sight 视线 ; 光学瞄准线 ; 光学视线 line of sight coverage 视距 vertical line of sight 垂直瞄准线 ...
?直视能见度
... Line of sight (LOS)视线 line of sight coverage 视距，直视能见度 line of vision 视线 ...
直视距离范围 ; 视距
视界图
At the higher frequencies, such as 700 MHz and 800 MHz communications is essentially line of sight, which means that more towers and repeaters are required for reliable coverage.
FORBES: Connect
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。