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- It was found that there exit paleo-reservoir in Devonian stratum, Tianjingshan structure, in course of investigation of oil-sand resource in the northwest part of Sichuan Basin. 摘要在川西北地区进行地表油砂资源调查过程中发现天井山构造下泥盆统平驿铺组石英砂岩中存在古油藏。
- The iron bearing formations mainly occur in the Middle and ,especially,Upper Devonian strata. 含矿建造主要赋存于中上泥盆统 ,而以上泥盆统为主。
- The slope mudflow around the seat of Ningshaan County occurs on a steep slope of Middle Devonian strata. 宁陕县城周围坡面型泥石流发育于中泥盆统地层的陡坡上。
- Discovery and primarily research of the Early-Middle Devonian strata in mount Bukedaban district in west-middle section of East Kunlun Mt. 东昆仑中西段布喀达坂峰地区早泥盆世地层的发现及初步研究。
- Abstract ：The Mujiazhuang copper deposit is located in the Devonian strata in the Zhashui-Shanyang area of the South Qinling orogenic belt. 提要 ：穆家庄铜矿床位于南秦岭造山带柞(水)山(阳)地区的泥盆系中。
- The Mujiazhuang copper deposit is located in the Devonian strata in the Zhashui-Shanyang area of the South Qinling orogenic belt. 穆家庄铜矿床位于南秦岭造山带柞(水)山(阳)地区的泥盆系中。
- The Silurian strata containing abundant conodont fossils are well developed and comformable with the overlying Devonian strata in the Baizitian region, northern Yanbian, Sichuan. 四川省盐边县北部稗子田地区的志留系发育良好，牙形刺化石极为丰富，与上覆泥盆系连续沉积，并呈整合接触。
- The Houjiangqiao Pb Zn deposit features multi source, multi stage in mineralization, which is mainly related to Devonian strata and hydrothermal activity. 后江桥铅锌矿具有多源、多阶段成矿特点,成矿主要与泥盆纪地层及热液作用有关。
- By the researching currently, the range of the Early-Middle Devonian strata ranging from west to east in west-middle section of East Kunlun Mt. is certained. 就目前研究状态而言，确定了早中泥盆世地层在东昆仑西段地区由西往东延伸的位置。
- One to three karst cycles may be recognized mostly at the top of the Upper Permian strata, top of the Middle Permian Maokouan strata and top of the Carboniferous strata and subordinately at the top of the Devonian strata. 这些古岩溶作用主要存在于上二叠统顶部、中二叠统茅口组顶部和石炭系顶部，其次是泥盆系的顶部。
- They represent each society stratum. 他们代表各个社会阶层。
- Devonian stratum 泥盆系
- They do not constitute a separate class or stratum. 知识分子和青年学生并不是一个阶级或阶层。
- He hates the privileged stratum. 他憎恨特权阶层。
- This is a stratum we must win over. 这一阶层，我们是必须争取的。
- Tramps are from the lowest stratum of society. 流浪汉来自社会最下层。
- The Devonian Period or its system of deposits. 泥盆纪（系）或泥盆纪（系）的沉积矿系体系
- Is The Intermediate Stratum Forming in China? 中国的中间阶层正在形成?
- Modification of breather stratum about airslide. 空气输送斜槽透气层的改造。
- To form bends in(a stratum of rock. 地层褶曲（在地层的岩石上）形成弯曲
