1.
Frame structure for synchronous digital hierarchy signal
GB/T15409-1994同步数字体系信号的帧结构
2.
Synchronous digital hierarchy bit rates
GB/T14731-1993同步数字体系的比特率
3.
Roman numerals( system of)letters representing numbers
罗马数字（体系）（以字母记数）
4.
The Arabic system of numerical notation.
数字观念数字标志法的阿拉伯体系
5.
System Design of DRM Applied in the Digital Media Distribution
数字媒体发行环境下的DRM体系设计
6.
A Security System Design of Digital Signature Based on PKI;
基于PKI体系的数字签章安全系统设计
7.
Assessment of the system ILASIII based on the digital library system
基于数字图书馆体系的ILAS系统评估
8.
Digitalization of Imaging Practical Teaching System by Picture Archiving and Communication System
PACS系统实现影像实践教学体系数字化
9.
Study on Frame and Application of Digital Coalmine
“数字煤矿”框架体系及其应用研究
10.
Research on Automatic Measuring System for Projectile Dimension Measurement;
弹体几何尺寸数字化测量系统的研究
11.
Research on DRM System for Streamed MPEG-4 Media;
MPEG-4流媒体数字版权保护系统的研究
12.
Systematic Researches of Foreign Multimedia Industrial Clusters;
国外数字媒体产业集群的系统性研究
13.
The Research and Realization of the Media Digital Copyrights Management System;
媒体数字版权管理系统的研究与实现
14.
A Digitized Evaluation System of Regional Tourism Competitive Capability;
区域旅游竞争力数字化评价体系研究
15.
Study on the system structure of digital library based on component;
基于构件的数字图书馆体系结构研究
16.
The Overall Framing of Digital Tourism System and Its Technological Implementation;
数字旅游系统的总体框架及技术实现
17.
The Effects of Digital Evidence on Civil Law Evidence System;
数字证据对我国民事证据体系的影响
18.
The Study of the Construction of Digital City;
数字城市体系结构及其相关问题研究