At present, MPEG2 has become the most prevalent coding technique, which is mainly used for the transmission of speech data and viewdata.
MPEG2是目前应用最广泛的一种编码技术，主要用于语音，图像数据传输。
2
The friendly postman will be a thing of the past as the postal service and letters disappear with the electronic mail received via viewdata screens.
友好的邮递员将成为历史，邮政和信件也将被显示屏接收的电子邮件所取代。
3
Dynamic View and ViewModel Properties - Views have a new dynamic View property offering simple access to the ViewData object. An example would look like this.