这项研究有如下困难而难以作出可靠的结论。
There are several difficulties in drawing reliable conclusions from this study.
主要研究方法和结论如下：1实验研究。
The main method and conclusions go as following: 1 Experimental investigation.
文章通过对成都的历史及民俗景观的研究，得出如下结论。
On the research of history and folk landscape in Chengdu, we can have some conclusion.
文章通过对成都的历史及民俗景观的研究，得出如下结论。
On the research of history and folk landscape in Chengdu, we can have some conclusion.
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