求翻译：（2）对于伊利湖而言，包括两个方面的污水来源：最初的污染源1800单位、从休伦湖流淌下来的污水；伊利湖的污染源其实是比较严重的，除了本身的污染源外，还有由于线性流向的特点，从休伦湖流下来的污染水源导致的伊利湖的污染。是什么意思？

正在翻译，请等待...

(2) for the lake, including two of the sewage Source: The original source of the contamination in 1800, from Lake, flowing down the sewage; the lake source of pollution is very serious, in addition to its own source of pollution, and the linear flow characteristics, from Houston, Lake from pollution

(2) speaking of Lake Erie, including two aspect sewage origins: The initial source of pollution 1800 units, the sewage which gets down from the lake huron flow; Lake Erie's source of pollution is actually quite serious, besides itself source of pollution, but also has because the linearity flows to

(2) for Lake Erie, and includes two water sources: original source 1800 units, from the sewage flowing down the Lake Huron; pollution of Lake Erie is actually quite serious, in addition to its own sources, but also due to movement of the linear features, ran down from Lake Huron Lake Erie pollution

正在翻译，请等待...