This animal found in Yuanqu Basin not only extends its geographical distribution but also increasesYuanqu Fauna s composition and provides new evidence that Hedi Formation is ofSharamurunian, late Middle Eocene in age.
这种化石在垣曲盆地发现，不仅扩大了该动物的地理分布，而且为河堤组的地质时代为沙拉木伦期——中始新世晚期增添了新的证据。
Members of the subfamily Ischyromyinae, the most derived of the Paleogene rodent family Ischyromyidae, have previously been reported only from North America,where they are relatively abundant in deposits ranging in age from lare Middle Eocene through Middle Oligocene.
特别是由于它比较原始，可能它出现的时代较早，进一步确认长辛店组的时代为中始新世晚期。
Owing to its random initial centers,unstable results are often got when using traditional K-Means and its variants.
为解决传统K-Means算法以及它的变种会产生较大波动的聚类结果的问题,使用改进的模拟退火算法来优化初始中心,得到一种适合对文本数据聚类分析的算法。
MAMMALS FROM THE MIDDLE EOCENE. KUANCHUANG FORMATION OF XINTAI, SHANDONG
山东新泰中始新世化石哺乳类新材料
A NEW BRONTOTHERE FROM LATE MIDDLE EOCENE OF QUFU, SHANDONG
记山东曲阜中始新世晚期─雷兽新属种
Beibu Wan Basin was a lake in the middle Eocence-Lower Oligocene.
北部湾盆地在中始新世至早渐新世是一个湖泊。
Middle eocene-oligocene climatic changes recorded by sedimentary colors in the Xining Basin,in northeastern Tibetan Plateau,NW China
青藏高原东北部西宁盆地中始新世-渐新世沉积物颜色与气候变化
Eocene series
始新统始新系始新-中新世
MIDDLE EOCENE MAMMALS OF JEMINAY, XINJIANG
新疆吉木乃地区始新世中期哺乳动物化石
THE REFLECTIONS OF GLOBAL TECTONICS EVENTS AT THE PALEOCENE EOCENE BOUNDARY IN SEDIMENTOLOGY
古新世—始新世界线全球构造事件在沉积学中的反映
Geochemical Features of the Meteorite Impact Around Eocene/ Oligocene Boundary Layer in Central Eastern Pacific Region
东太平洋中部始新世/渐新世界线陨石撞击的地球化学证据
Of, relating to, or being the geologic time and deposits of the epoch in the Tertiary Period of the Cenozoic Era that extended from the Eocene Epoch to the Miocene Epoch.
渐新世的新生代第三纪的，从始新世到中新世的地质年代的或沉积物的或与之相关的
THE MANGANESE MICRONODULES AT THE END OF EOCENE IN CENTRAL EASTERN PACIFIC
东太平洋中部始新世末期的微锰结核研究
Primary Study on Quantitative Reconstruction of Middle-Late Eocene Climate in Jianghan Basin
江汉盆地始新世中、晚期古气候定量重建初探
It intruded Eocene sandstones.
它侵入始新世砂岩。
small order of primitive ungulates of the Paleocene and Eocene.
生活于古新世至始新世的小型原始有蹄动物目。
New Mount– Explore the world on the shoulders of a new rampaging beast- The Kunarkian Rhinoceros.
新坐骑-在新的狂怒野兽-库纳克犀牛的肩上开始在这世界中冒险。
Another large-scale transgression occurred during the end of the Mesozoic, and lasted to the end of Eocene.
在中生代末期还遭受了相当规模的海侵,直至始新世末.
A Study of Middle and Late Eocene Palynological Assemblages in Jianghan Basin and Their Environmental Significance
江汉盆地始新世中、晚期孢粉组合特征及其环境意义
RECONSTRUCTION OF MEAN ANNUAL TEMPERATURE IN CHINESE EOCENE PALEOFLORAS BASED ON LEAF MARGIN ANALYSIS
基于叶缘分析法定量重建中国始新世植物群的年均温
Plio-Miocene beds
上新世-中新世地层