Based on these, the isochronal stratigraphic framework of Fuyang reservoir is established, and the fluvial-delta sequence feature and evolution process are studied in this paper.
在此基础上，运用地层基准面原理，建立扶杨油层的等时地层格架，研究其河流-三角洲层序发育特征及其演化过程。
Both Delta Sco and Gamma cas are rapidly rotating stars that are evolving off the main sequence and occasionally flinging mass from their equators.
天蝎座delta和仙后座gamma都是正在远离主星序的快速自转的恒星，并且它们不时地从其赤道区域抛出物质。
The minor lake floods divided the stratum of the 6th segment into 4 tiny sequences, and the lakes and delta system were developed within each tiny sequence.
小型湖泛面将长6段地层分为4个小层序；各小层序内部都发育湖泊体系和三角洲体系。
Triassic Yanchang deltaic oil-gas located in east of basin with two kinds of oil-gas reservoir sequence, the lacustrine facies delta foreset sand body and plain distributary sand body.
二是上三叠系延长组三角洲油气区，主要位于盆地东部，具有湖相三角洲前积砂体和平原分流河道砂体两种油、气藏序列。
Baijiantan formation of UpperTriassic (T_3) could be a sequence of fan delta-lake and lake-bottom fan deposit ;
上三叠统白碱滩组为扇三角洲—湖及湖底扇沉积体系；
Baijiantan formation of UpperTriassic (T_3) could be a sequence of fan delta-lake and lake-bottom fan deposit ;
上三叠统白碱滩组为扇三角洲—湖及湖底扇沉积体系；
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