题目:有20条河流的水质情况,请你做出评价。其中含氧量越高越好,PH值越接近7越好,细菌总数越少越好,植物性营养物量介于10-20之间最佳,超过20或低于10均不好。
![](http://www.vsbf.fun/wp-content/uploads/2020/02/image-13-1024x622.png)
论文在线:http://www.vsbf.fun/thesis/topsis.pdf
论文截图如下:
![](http://www.vsbf.fun/wp-content/uploads/2020/02/image-14-720x1024.png)
![](http://www.vsbf.fun/wp-content/uploads/2020/02/image-15-717x1024.png)
![](http://www.vsbf.fun/wp-content/uploads/2020/02/image-16-722x1024.png)
![](http://www.vsbf.fun/wp-content/uploads/2020/02/image-17-718x1024.png)
![](http://www.vsbf.fun/wp-content/uploads/2020/02/image-18-726x1024.png)
![](http://www.vsbf.fun/wp-content/uploads/2020/02/image-19-722x1024.png)
![](http://www.vsbf.fun/wp-content/uploads/2020/02/image-20-716x1024.png)
![](http://www.vsbf.fun/wp-content/uploads/2020/02/image-21-722x1024.png)
![](http://www.vsbf.fun/wp-content/uploads/2020/02/image-22-736x1024.png)
![](http://www.vsbf.fun/wp-content/uploads/2020/02/image-23-712x1024.png)
请各位大佬指点指点,谢谢了!
vsbf·2020-02-12·986 次阅读
题目:有20条河流的水质情况,请你做出评价。其中含氧量越高越好,PH值越接近7越好,细菌总数越少越好,植物性营养物量介于10-20之间最佳,超过20或低于10均不好。
论文在线:http://www.vsbf.fun/thesis/topsis.pdf
论文截图如下:
请各位大佬指点指点,谢谢了!
Comments NOTHING