求翻译：内容摘要： 我国石油石化行业经历了由计划经济到市场经济不同时期的政府规制。本文从我国石油石化行业规制逐渐放松、由限制性转向激励性、规制具有柔性等特点入手，分析了现阶段我国石油石化行业规制存在的主要问题，并提出了相应的改进思路。是什么意思？

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The contents summary: the petrochemical profession of the our country petroleum experienced from the planned economy the not contemporaneous government rules and regulations of the market economy.This text relaxs and is change direction by the restriction to encourage sex,rules and regulations to ha

Content abstract: Our country petroleum petrification profession has experienced from the planned economy to the market economy different time government rules and regulations.This article relaxes gradually from our country petroleum petrification profession rules and regulations, by restrictively c

Content summaries: petrochemical industry has experienced government regulation of different stages from planned to market. Gradually relax this article from the regulation of China's petroleum and petrochemical industries, by the restrictive towards incentive, regulation with flexible features such

Abstract: China's petroleum and petrochemical industry has developed from a planned economy to a market economy in different periods of government regulation. In this paper, petroleum and petrochemical industries in China gradually relaxed regulation, restrictive move by the incentive, regulation ha