依据以上主要不整合界面及其对应的整合面所 划分出的7个高级别的层序地层单元或复合层序 （composite sequences），一般由一个区域性的水进到 水退的沉积旋回组成，时间跨度在8～12 Ma，因而可 看作是二级的沉积层序（图2）。
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In this paper, we discuss the design for arbitrary sequences whose length are composite Numbers, using the new method of regular sequences and sequences syntheses.
本文对长度为合数的任意序列采用规则序列及序列合成的新方法来设计做了进一步探讨。
The Yuhuashan rock body in Jiangxi is a high-level composite plutonic complex, which has compositional and structual evolutiOnary sequences.
玉华山岩体是一个高位复式深成杂岩体，具成分和结构演化序列。
The composite petroliferous basin in China has long period of geological evolution history, multiple depositional sequences and intensive tectonic deformation.
中国叠合含油气盆地具有演化历史长、沉积层系多、构造变动强烈等特点。
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