中石化17日发布中期业绩预告，经公司财务部门核算上半年业绩同比下降50%以上，业绩如此大滑坡的主要原因是在炼油业务上的巨大损失。

Oil giant Sinopec said Thursday its net profit in the first half of the year was expected to drop by more than 50%. The company attributed the fall to big losses in its refining business.

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为此，财政部于2006年2月15日发布了石油天然气开采会计准则，新的核算规则必然对我国的石油天然气行业产生重大的影响。

Therefore, the Financial Ministry issued the accounting criteria for petroleum and natural gas mining on February 15,2006, which will greatly influence the petroleum and natural gas industry in China.

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