He often interchanges his black hat with his grey hat.
The great geographical discoveries brought about global interchanges, including global biotic interchange.
Similar CCTV cameras are being planned for Yuen Long Highway, part of Tolo Highway and major transport interchanges leading to the new airport.
A general description is given of Hongdu bridge, including selection of location of bridge, traffic analysis, structure of main bridge and approaches, proposed interchanges, etc.
The tectogensis is themotive force of the continental connection and separation, and animals migration through the landbridgesbrings about interchanges between the continents.
