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1·Determination methods of Biological Oxygen Demand (BOD) being used widely at present were critically reviewed. The influence factors, notes and application conditions were also indicated.

分析评述了现阶段生化需氧量的实验室和快速测定方法的特点，指出了各类方法的影响因素、注意事项及应用范围。

2·The oxygen demand is usually measured for Marine biological experiments.

在海洋生物实验中，常常需要测量生物的需要氧量。