求翻译，中译英。是论文摘要，谢谢了请不要用GOOGLE百度之类的翻译，要求语句通顺，带点润色。

petroleum is the most important elemental energy source in today's world. as our country is a heavy consumption of petroleum,so the high and frequently fluctuate in recent years has a great influence on our country's ecomony development.and it's obvious for us to establish a reasonable function of fixed price of petroum. first of all , the essay analyses the formation of the petroleum price and the influence factors of fluctuate , which indicates that the petroleum as a special goods that its price not only is under the effect of the supply and demand ,the cost , the monopolized profits, but also restricted by the politics, inventory,dollars exchange rate, abnormal climate and so on . secondly , it makes a more detailed analyse of the reform process of our country's petroleum price's fixed mechanism and the railing petroleum price mechanism. at last , four countermeasures of our country's petroleum price mechaism are provided : pefect the related Rules And Regulations about petroleum price , persevere in the market's leading role and introduce proper competition, using a positive and flexible tax policy, establish the petroleum reserve strategy and the monitoring system of the petroleum price risk .

那你应该去找人人，那里都是大学生，我们这里的都是用电脑翻的。