几句话帮忙翻译一下啊

Oil the international competitiveness of enterprises are able to keep the advantages of developing core competence upstream based composite competition ability, the influence factors are mainly: enterprise economic scale, the technical innovation ability and internationalized operation ability and economic environment factor etc. As China's economy increasing internationalization and foreign oil giant, China petroleum enterprises gradually entered the international competitiveness of facing the severe challenges. Then ascension petroleum enterprise international competitiveness becomes China petroleum enterprises to participate in the competition of domestic and international market. Based on the previous studies, and learn from it, on the basis of petroleum economics and international trade from the perspective of international competitiveness, the petroleum enterprise concept and deep connotation and "national diamond" system as the theoretical basis, explores the in