The digital piano collective class teaching system includes computer music system, phonetic order system in teacher's piano, the digital piano MIDI music teaching machine and teaching video system.

数码钢琴集体课教学系统包括电脑音乐系统、老师琴中的音序系统、数码钢琴MIDI音乐教学机、教学视频系统。

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Music is one of important social subjects, and has plenty of domain knowledge, which is necessary for musical computer application system of music.

音乐是一门重要的社会学科，具有丰富的领域知识，这些知识是计算机音乐应用系统所需要的专业知识。

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No DRM system was ever developed for the CD, so all the music distributed on CDs can be easily uploaded to the Internet, then (illegally) downloaded and played on any computer or player.

CD上从来也没有过DRM系统，所以所有CD上的音乐都可以轻易传上互联网，然后被(非法地)下载到任何电脑上，在任何播放器上播放。

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Drivers could order and pay in the McDonald's drive-through lane or synch a car's music system with a home computer.

FORBES: Magazine Article

This overgrown iPod of a remote is the wireless heart of the Sonos Digital Music System, a delightful--if expensive--way to shuttle music from computer or Internet around the house.

FORBES: Gadgets We Love: Sonos Digital Music System

Once the virus has established itself on a host computer, it quickly destroys all music and image files and disables the e-mail system, causing irreparable damage at some companies.

CNN: 'Melissa' May Have Built a False Sense of Security