| 1. | The relativistic mechanics in chapter 21 is circumscribed with primary emphasis on the concepts of energy and momentum .
第二十一章的相对论性力学主要限于强调能量和动量的概念。 |
| 2. | Dae jang geum cantonese version episode 21 - 30
大长今粤语版第二十一集至第三十集 |
| 3. | The adventures of tom sawyer chapter 21
第二十一章流利的口才，老师的镀金脑袋 |
| 4. | Taxi newsletter the 21st edition , august 2006
的士季刊第二十一期2006年8月 |
| 5. | A tale of two cities chapter xxi echoing footsteps
第二十一章回音震荡的脚步 |
| 6. | Newsletter of " elderly health services " issue no . 21
长者健康专讯第二十一期 |
| 7. | Issue no . 21 june 2004 issue no . 20 november 2003
第二十一期二零零四年六月 |
| 8. | Report no 21 consultative machinery in the civil service
第二十一号报告书公务员谘询架构 |
| 9. | Betimes in the morning of the day on which the new governor was to
第二十一章新英格兰的节日 |
| 10. | Chapter 21 working with multiple projects
第二十一章处理多个项目 |
