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
Videophone
Picturephone
video telephone
video telephony
VP Video Phone
Videotelephone
video-telephone， viewphone， visual telephone
picture telephone
Video-phone
Vedio telephone
videophone
phonovision
picture phone
video-telephone
viewphone
visual telephone
电视电话会议
Television and Telephone Conference
Videoconference system
teleconference
电视电话会议系统
video conference system
video and teleconference system
Teleconference system
电视电话联合服务
combined television-telephone service
电视电话通信
videotelephone communication