通(tong)(tong)(tong)信(xin)雙方有一方或兩方處于運動(dong)中(zhong)的(de)通(tong)(tong)(tong)信(xin)。包括陸(lu)、海、空移動(dong)通(tong)(tong)(tong)信(xin)。采用的(de)頻(pin)(pin)段遍及(ji)低頻(pin)(pin)、中(zhong)頻(pin)(pin)、高頻(pin)(pin)、甚高頻(pin)(pin)和特(te)高頻(pin)(pin)。移動(dong)通(tong)(tong)(tong)信(xin)系統(tong)由移動(dong)臺、基臺、移動(dong)交換局組成...