data communication program communication block
on-board communication station ，ship communication station
search and rescue coordinating communication {= SAR coordinating communication}
Short-wave communication ( SW communication)
Key lab of satellite communication of institute of communication engineer
Banzhai subterranean stream
eastern subterranean termite
formosan subterranean termite
Houzhai subterranean river basin
Houzhai subterranean stream basin
Karst subterranean streams
Qingmuguan subterranean river system
semi-subterranean substation
Subterranean
地下的
地下
地下工作的人
地下洞穴
隐蔽的
隧
地下铁路
次岩层处置