The altitude of the peak concentration was lowest in the summer . 在夏季，峰值浓度的高度为最低。
2.
The system has good control effects : the pollutant is controlled under the hygienic standard ; the energy consumption is less than that of the traditional fuzzy control by 19 to 32 percent 该系统对各种交通流的控制效果良好，污染物峰值浓度被控制在卫生标准之下，实现了风机运行的最优控制，与传统的模糊控制系统相比，该系统可以进一步节能19 32 ，节能效果非常明显。
