As a result of all this the river has begun to look like its old self. Waterquality has improved.
这些抗争的结果是,哈德逊河开始恢复了旧貌。
2
Since there have been complaints about the qualityof the water in the river, residents must be avoiding the river because they think that it is not clean enough.
由于曾经存在对于这条河水质的投诉,居民一定是因为他们认为河水不够干净才不在这里活动。
3
The mathematical model ofwaterquality can be divided into river model, reservoir model, oce, an model and so on.