电视彩色讯号
television chrominance signal
地电视电阻率法
earth electric resistivity method
电视电传机
TVT TeleVision Teletypewriter
电视电话
video telephone
video telephony
VP Video Phone
videophone
visual telephone
picture phone
picture telephone
Vedio telephone
video-telephone， viewphone， visual telephone
video-telephone
Videophone
phonovision
Video-phone
viewphone
Videotelephone
Picturephone
电视电话会议
Television and Telephone Conference
Videoconference system
teleconference
电视电话会议系统
Teleconference system
video and teleconference system
video conference system
电视电话联合服务
combined television-telephone service
电视电话通信
videotelephone communication