系统软件 操作系统 释文 file contention 文件争用
- education system of Argentina
- education system of Australia
- education system of Austria
- education system of Belgium
- education system of Brazil
- education system of Canada
- education system of Cuba
- education system of Democratic People's Republic of Korea
- education system of Denmark
- education system of Egypt
- education system of Finland
- education system of France
- education system of Greece
- education system of India
- education system of Indonesia
- education system of Israel
- education system of Italy
- education system of Japan
- education system of Malaysia
- education system of Mexico
- education system of Netherlands
- education system of New Zealand
- education system of Norway
- education system of Pakistan
- education system of Portugal