1.
The diversity index and species richness index of original vegetation in Karst area are lower than in nonkarst area.
石灰岩地区原生植被生物多样性和物种丰富度指数较砂页岩地区的原生植被低。
2.
The limestone, sandstone and shale of this area were soft.
这个地区的灰岩、砂岩和页岩都是很柔软的。
3.
Geological Features and Criteria for Ore Prospecting of Devonian Sandstone and Shale-hosted Copper Deposits in Xiangshan Area,Ningxia
宁夏香山地区泥盆系砂(页)岩型铜矿地质特征及找矿标志研究
4.
Sandstones are, as a rule, interbedded with shales.
砂岩通常都与页岩互层。
5.
The principal direction of small-scale movement is from a shale or clay to a sandstone or other permeable bed.
小范围运动主要从页岩或粘土岩向砂岩或其他渗透性地层中运动。
6.
Any of various dark gray sandstones that contain shale.
杂砂岩任何含有页岩的多种黑灰色砂岩之一
7.
A series of sandstone beds may crop out in one area.
一组砂岩层可在某地区露出。
8.
A study on Chang6 sandstone diagenesis in Huachi-Baibao Area of Ordos Basin
华池—白豹地区长6段砂岩成岩作用研究
9.
The sandstone and shale units are of the same age.
砂岩和页岩单元是同时的。
10.
Alternating sandstones and shales are regarded as important.
蚀变的砂岩和页岩是很重要的。
11.
Lower Cambrian Shale Gas Resource Potential in Upper Yangtze Region
上扬子地区下寒武统页岩气资源潜力
12.
Study on the Stability of Tunnels with Large Span in Soft Rock;
山区软弱砂岩地区大跨度隧道稳定性研究
13.
Lower oil sand hill formation beach-bar sandstone characteristics and reservoir evaluation in Wunan-Lucaotan area,Qaidam Basin
柴达木盆地乌南—绿草滩地区下油砂山组滩坝砂岩特征与储层评价
14.
Influence of Quan 4 Formation Sandstone Diagenesis on Reservoir Properties in Longxi Region,Songliao Basin
松辽盆地龙西地区泉四段砂岩成岩作用对储层物性的影响
15.
Characteristics of the Triassic Oil Shale in the Hejiafang Area,Ordos Basin
鄂尔多斯盆地何家坊地区三叠系油页岩特征
16.
ALTERNATING FIELD DEMAGNETIZATION STUDY ON LOWER SINIAN SANDSTONES IN HSIUNING DISTRICT, ANHWEI PROVINCE
安徽休宁地区下震旦?休宁?砂岩的交变?鐾舜叛芯
17.
Reason of Sandstone Reservoir Sensitivity in Wangzhuang-Ninghai Areas;
王庄—宁海地区砂岩储层敏感性机理研究
18.
Study on Red-rock Side Slope Biological Protection Technology of Highway;
红砂岩地区公路边坡生物防护技术研究