主值区间 meaning in English
principal value interval
Examples
- Principal v interval
主值区间 - The formation of oil and gas experienced three periods with different temperature peak zone : first , 120 - 125 , oil generation period ; second , 140 ~ 150 , condensed oil generation period ; third , 160 - 190 , condensed oil and dry gas generation period . likewise , the migration of oil and gas are divided into three stages : from early esi to late ng , then from early nm to mid nm , and last from late nm to now . we can see clearly that oil and gas began to migrate with large scale after nm
其中，油气形成有三个时期，其温度主值区间为：第一期， 120 125 ，为生油时期，第二期， 140 150 ，为凝析油生成时期，第三期， 160 190 ，为凝析油和干气生成时期；油气运移期次为三期：即沙一早期?馆陶末期，明化镇早期?明化镇中期和明化镇晚期?现在，而且明化镇晚期以后油气才发生大规模运移。