视距
- n.visual range; apparent distance
- 网络LOS; sight distance; viewing distance

视距
1.visual range
2.line-of-sight range
3.distance of sight
4.line-of-sight coverage
5.range of visibility
6.apparent distance
7.viewing distance
8.apparent easement
9.eye release
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
27
28
29