三段体主要由三个乐段所组成,特别的是:并非是三个完全不同的乐段,三段体我们大致上可以用简单的ABA(或AAB')来表示:也就是说第一和第三段式其实是有点相似的,第二段可以是风格较为迥异的以作为对比。这样的设计有点类似前後呼应法,於第三乐段时来一个回顾,让整首曲子听起来较有整体感。
他们认为,阿三段沉积时期,该区接受来自两个物源方向的碎屑沉积,形成两种截然不同的储集岩体。
It is considered that the district received clastic sediments from two matter source directions during the Asan sedimentation period and formed two completely different reservoir rock bodies.
对东营凹陷牛庄洼陷沙三段砂岩透镜体油藏的成藏过程进行了分析,研究了岩性油气藏的成藏机理。
The pools of sand lens in the third section of Shahejie Formation in Niuzhuang sub-depression were analyzed.
沙三段沉积了一个大型浊积岩体,形成了一个大型浊积砂岩油田。
A large scale turbidite body sedimented in Es 3 forming a large scale turbidity sandstone oilfield.
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