送交者: steven 于 2009-03-18, 13:25:59:

回答: 雷达对水面或地面目标用处很有限 由 eddie 于 2009-03-18, 11:39:43:

to do the surveillance? What do you see from this picture

check this link and see what picture is about.
http://www.nasaimages.org/luna/servlet/detail/NVA2~14~14~30158~124386:North-Atlantic-Ocean

加跟贴