This invention has had quite an effect on which floor people choose to live on.
这项发明着实影响了人们选择住在第几层。
Methods To choose 4 restaurants, and to carry on an effect contrast trial of different preventing and controlling measures, by eye observation in certain area.
方法选择4家饭店，采用定面积目测法观察，并对不同防制方法进行效果对比试验。
Methods To choose 4 restaurants, and to carry on an effect contrast trial of different preventing and controlling measures, by eye observation in certain area.
方法选择4家饭店，采用定面积目测法观察，并对不同防制方法进行效果对比试验。
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