-
1
-
2
-
3
-
4
-
5
-
6
-
7
-
8“... to be about 0.3 dB/m, whereas the very low value of 0.02 dB/m caused by a ducting effect existed in permafrost...”
Get access
Get access
Text -
9
-
10
-
11
-
12
-
13