middle triangular file是什么意思

用法例句

Study on reservoir of the Leikoupo Formation of Middle Triassic in northwestern Sichuan Basin;

四川盆地西北部中三叠统雷口坡组储层研究

Sedimentary facies in the Middle Triassic Badong Formation in Shizhu,Chongqing;

重庆石柱中三叠统巴东组沉积相研究

Research on Conodont Biostratigraphy near the Bottom Boundary of the Middle Triassic Qingyan Stage in the Southern Guizhou Province;

贵州南部地区中三叠统青岩阶底界附近牙形石生物地层学研究

Factor analyses and environmental evolution implications of element geochemistry data for the section bearing the Middle Triassic Panxian Fauna in Guizhou Province;

贵州中三叠世盘县动物群产出地层剖面样品元素地球化学数据因子分析及其环境演化意义

Sedimentary facies and palaeogeography of northwestern Sichuan Basin during the Leikoupoan(Middle Triassic);

四川盆地西北部中三叠世雷口坡期岩相古地理

REE Characteristics and Their Geological Implications of the Strata Bearing Panxian Fauna of the Middle Triassic of Guizhou Province;

贵州中三叠世盘县动物群产出地层的稀土元素特征及其地质意义

Geological Characteristics of the Early-Middle Triassic Volcano-Sedimentary Basin in the Eastern Tibet;

西藏东部早-中三叠世火山-沉积盆地地质特征