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- The pore spaces are completely dominated by primary porosity and pores, vogs and fractures with secondary origination. 孔隙空间主要是原生孔隙及由次生原因形成的孔隙和裂缝。
- The diagenetic alteration of biotite during early diagenetic phase accounts for a part of primary porosity loss in the sandstones. 其中黑云母的早期成岩蚀变是造成原生孔隙丧失的一个重要原因。
- Although the early carbonate cementation may cause the decrease of the primary porosity and permeability of sandstones, it has contributed to the formation of secondary porosity. 虽然早期碳酸盐岩胶结降低了砂岩的原始孔隙度和渗透率，但也为次生孔隙的形成提供了物质基础。
- Primary porosity is not developed in carbonate reservoir of buried hill, the secondary porosities such as solution porosity, cavern and fractures are mainly reservoir space. 摘要碳酸盐岩潜山储集层原生孔隙并不发育，次生成因的孔、洞、缝是其主要储集空间。
- preservation of primary porosity 原生孔隙保存
- preservation of reservoir primary porosity 原生孔隙保存
- The disease is still in its primary stage. 这疾病仍然在初发阶段。
- The little boy left primary school at eleven. 这个小男孩十一岁时小学毕业。
- Post-diagenetic variations related to the reservoir features include: (1) Primary porosity of greywacke is sharply reduced during burial-diagenesis; 岩屑砂岩与储层物性相关的主要成岩后生变化有：(1)埋藏压实作用使碎屑岩原生孔隙大量减少；
- Sure. We are friends since primary school. 当然，我们从小学就是朋友了。
- I started primary school when I was 5 years old. 我五岁时开始读小学。
- A primary cause of Tom's failure is his laziness. 懒惰是汤姆失败的主要原因之一。
- Primary school teachers use a lot of visual aids. 小学教师使用大量的视觉教具。
- Love and hatred are primary emotions. 爱和恨是基本的情感。
- (2) Solution, devitrification as well as forming and recrystallization of secondary mineral can increase primary porosity as a whole; (2)溶性、脱玻化、次生矿物的生成和重结晶等成岩作用的总效应导致孔隙增加；
- The Democratic primary was held this month. 民主党候选人初选於本月举行。
- Primary education comes under the umbrella of local government. 小学教育受地方政府的保护。
- He only accepted the primary education off and on in his childhood. 他小时候只断断续续地接受过初等教育。
- The primary reason for advertising is to sell more goods. 做广告的根本目的是要多出售货物。
- Collins was nosed out by his opponent in the primary. 柯林斯在初选中就被他的对手击败了。
