1. Specific enforcement efforts were directed at the manufacture and retail of pirated optical discs. Large-scale operations were carried out at 'black-spot' retail outlets and at optical disc factories involved in piracy. 
   海关人员特别加强对制造及零售盗版光碟活动所采取的执法行动，对盗版光碟零售黑点及制造盗版光碟的工厂进行大规模行动。
2. Fiber Optical Communication System 
   光纤通讯系统
3. Introduction to Optical Electronics 
   《光电子学导论》
4. large optical cavity laser 
   大光腔激光器
5. optical fiber acoustic sounding 
   光导纤维水声探测

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• 1. 光学加工
  optical magnetic probe 光磁探针...optical manufacture 光学加工...optical mapping 光学映像
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