方法：在寒冷与室温不同的条件下单纯用香烟熏吸造成小鼠的慢性支气管炎。

Methods the chronic bronchitis of the mice was induced by sole cigarette smoking under the conditions of cold and room temperature.

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设计了六种重力式网箱的模型，在单纯流条件下，通过模型试验测试了网箱网内与网后的流速。

This paper describes six practical working models of gravity cage and evaluates the flow velocity of the inner point and outer back point of the cage net under the condition of pure current.

youdao

设计了六种重力式网箱的模型，在单纯流条件下，通过模型试验测试了网箱网内与网后的流速。

This paper describes six practical working models of gravity cage and evaluates the flow velocity of the inner point and outer back point of the cage net under the condition of pure current.

youdao