usage mode
6.ATM (Asynchronous Transfer Mode) which is the supporting technology of B-ISDN is confirmed by ITU in 1988. ATM is characterized by the high-usage, supporting high-speed switching and ensuring the quality of various services.
8.Based on analysing and reseaching the merits and faults of traditional paper publications and features and shortcomings of currant electronic publications, this paper puts forward a mode of data-intensive electronic publications with lower demands for the system and convenient and flexible usage, which can be simultaneously published and distributed in the forms of both CD-ROM and Internet. And this paper makes a brief introduction to "Shanxi Sci-tech Statistical Yearbock of 1998".

