Submitted by admin on Mon, 04/21/2014 - 17:37
definition:
(Of an artificial satellite of the earth) moving in a circular geosynchronous orbit in the plane of the equator, so that it appears to be stationary in the sky above a fixed point on the surface.
sentence:
Three special satellites located in geostationary orbit above Europe transmit a GPS-like signal that improves the GPS accuracy down to 1 to 2 metres.
difficulty:
medium
toefl frequency:
1
toefl classification: