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- It is recognized that, with high sandstone composition and textural maturity, the pore types of Donghetang Formation mainly are intergranular space and in tergrain denudation pore. 结果认为东河塘组砂岩成分和结构成熟度都很高，孔隙类型以粒间孔隙和粒间溶蚀孔隙为主，在河口湾、前滨-临滨相中的海滩砂坝、滨岸三角洲砂坝中发育中高孔渗储层；
- Based on the sandstone compositions analysis of the Upper Triassic Xujiahe Formation in Western Sichuan Basin,the authors tried to discuss the paleogeographic evolution of the study area. 作者单位：成都理工大学“油气藏地质与开发工程”国家重点实验室沉积地质研究院;
- He sweated out his composition in several hours. 他苦干了几个小时才写出了作文。
- He wrote a composition or (he) read an essay. 他写作文或读散文。
- His composition is far superior to mine. 他的作文比我的好多了。
- A slow, mournful musical composition. 庄重悲哀的乐曲节奏缓慢，庄重悲哀的音乐作品
- He has a touch of madness in his composition. 他有点疯疯癫癫。
- I'd like to have your advice on my composition. 我想请您对我的作文作些指导。
- She looked at her son's composition with a frown. 她对儿子的作文皱眉头。
- The composition of the report took two months. 写这份报告花了两个月时间。
- Roll deposits cut across sandstone bedding. 卷型矿床切穿砂岩的层理。
- We examined the rock to find out its composition. 我们检验了这一石块,想弄清它的构成成分。
- He has a touch of stubbornness in his composition. 他脾气有点倔。
- Sand was deposited which hardened into sandstone. 沙经沉积固结形成沙岩。
- You've made several grammatical mistakes in the composition. 你的作文中犯了几处语法错误。
- The sandstone and shale units are of the same age. 砂岩和页岩单元是同时的。
- The sandstone shows a more persistent oscillation. 砂岩表示一个更为持久的扰动。
- A composition in verse rather than in prose. 诗篇以诗歌而非散文形式的文章
- This channel is filled with cross-bedded sandstone. 该河边充填着具交错层理的砂岩。
- A composition written or arranged for these bells. 钟乐为在排钟或钟琴上演奏而谱的曲
