GB/T 17933-2012Electronic publication - Terms (English PDF)

3.1 Electronic publications

Its content is digitized and stored on magnetic, optical, electrical, biological and other types of memory (including the network server storage) on aid dollars

Computers and other electronic reader to read publications.

3.2 Online publications

The digital presentation of information to certain stored on a network server, networking equipment through access to a computer or use similar functionality,

To express ideas, universal access to knowledge and dissemination of culture, mass media.

3.3 CD opticaldisc; opticaldisk

With a light beam to read or write the information recording layer of the disc for recording digital and/or analog information.

3.4 Laser disc video laserdisc; LD

Analog video recording mode (4.27) signal, analog and digital audio recording mode (4.26) signal disc (3.3) have a diameter

300mm and 200mm two kinds.

3.5 CD-ROM read-onlydisc

Determining the time of manufacture of the information content of the disc (3.3), the use of which can not be written information can only be read.

3.6 A write-once disc writeoncereadmany; WORM

Write-once discs (3.3) can not override can be read many times. Diameter 350mm, 300mm, 200mm and 130mm four.