Imagine a world without dependable global navigation satellite systems (GNSS). Air and sea transportation would stop, and militaries would be blinded.
from Electronics Assembly http://ift.tt/1ufri7i
via Yuichun
Imagine a world without dependable global navigation satellite systems (GNSS). Air and sea transportation would stop, and militaries would be blinded.
沒有留言:
張貼留言