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| Sci-tech info | |
| 摘 要： | Drive for a Green Olympics Lithium ion battery powered cars are now being mass-pro- duced in China. Experts say that gas-free and low emission au- tos will serve the Beijing Olympics on the main bus lines, and in key areas and stadiums. Underwater Robot B… |
| 关 键 词： | 中国 绿色奥运 导航卫星系统 机器人 |
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| 本文献已被 CNKI 维普 等数据库收录！ | |