1.
Development Status and Trends of Data Card Terminals;
3G数据卡成运营商高端数据业务市场开拓利器——全球数据卡终端发展现状及趋势分析
2.
R&D of Technology in Performance Data Collection in 3G Network Management System;
3G网管性能数据的采集技术与研究
3.
Primary Study on 3G Mobile Data Service Business Modes;
3G移动数据业务商业运营模式初探
4.
Design and Implementation of 3G Mobile Position Spatial Data Service System;
3G移动定位空间数据服务系统的设计与实现
5.
China Mobile Data Servies Developing Strategies Study in on 3G;
中国移动3G时代数据业务发展策略研究
6.
Inspiration from the pricing strategies of the 3G mobile data of operators abroad;
国外运营商3G移动数据业务资费策略的启示
7.
The Research of Optimization Techniques in 3G High-Speed Packet Data Service
3G网络高速分组数据业务优化处理技术的研究
8.
China Mobile's Data Services Research on Competitive Strategy in 3G Times
3G时代中国移动数据业务竞争战略研究
9.
A group of data processing cards.
卡片组，卡片叠一组处理数据的卡片
10.
The Research of Data Management and Privacy of Location Service on 3G Networks;
基于3G网络位置服务的数据管理和用户隐私的研究
11.
Strategic Advice on Development of 3G Data Services--An Analysis Based on Technology Acceptance Model;
3G数据业务发展的策略建议——基于技术接受模型的分析
12.
punched card processing equipment
穿孔卡片数据处理装置
13.
punched card data processing equipment
穿孔卡片数据处理设备
14.
Credit Card Data Mining Research Based on the Data Warehouse Theoy;
基于数据仓库的信用卡数据挖掘研究
15.
Data that is input by means of cards, such as punch cards or mark-sense forms.
通过卡片（如穿孔卡或机读卡）输入的数据。
16.
2G、3G、LTE Card Security Technology of Mobile Phone Users
2G、3G、LTE手机用户卡安全技术探讨
17.
Research and Implementation of Value-Added Service Menu of USIM Card in 3G
3G USIM卡增值业务菜单的研究与实现
18.
LabVIEW Data Acquisition Invoke for DLL Functions;
LabVIEW对数据采集卡DLL函数的调用