1. necessary product and surplus product 
   必要产品与剩余产品
2. The Sydney Olympics is a watershed. Since its beginning, anti-doping has risen from its traditional battle to the battle of biologic engineering. 
   悉尼奥运会是一个分水岭，从它开始，反兴奋剂已从传统战升级为生物工程战。
3. agricultural product and by product processing 
   农副产品加工
4. inferior product or product of inferior quality 
   低档产品或质量次的产品
5. Wang Ping: The Sydney Olympics is a watershed. Since its beginning, anti-doping has risen from its traditional battle to the battle of biologic engineering. 
   王平：悉尼奥运会是一个分水岭，从它开始，反兴奋剂已从传统战升级为生物工程战。你们看，epo、基因等都是高科技的“战果”。

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• 1. 生物制品
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• 2. 生物制剂
  医疗保健 medical care...生物制剂 biologic product...缓释 slow release method
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