“The fossil record continues to show that the origin of modern placental mammals postdates or is at the Cretaceous-Paleogene boundary, ” he said.
他说：“化石记录一再证实现代胎盘类哺乳动物的起源是在白垩纪-早第三纪分界点的时候或那之后。
It says lice are old, predate the Cretaceous-Paleogene boundary, and must have been living on something.
它说明了虱子的历史非常久，在白垩纪-早第三纪过渡期之前，而且也肯定是寄生在某种生物上的。
Melut Basin is a large-scale basin of the Cretaceous-Paleogene sediment in the southeastern Sudan.
迈卢特盆地是苏丹东南部中—新生代的一个大型陆内裂谷盆地。
Some excellent reservoir-cover associations were discovered, in which the associations composed of the thick Paleogene gypsum-mudstones and Cretaceous sandstones were mostly important.
库车坳陷和喀什凹陷发育多套优质的储盖组合，并以古近系巨厚膏泥岩与白垩系砂岩构成储盖组合为主。
The mass extinction of terrestrial dinosaurs is the most important evolutionary event across the Cretaceous-Paleogene boundary.
陆生恐龙的绝灭是白垩系-古近系界线事件中最引人注目的。
Continental Cretaceous-Paleogene strata are important information carriers of this extinction event.
陆相地层是恐龙绝灭等事件信息的重要载体。
The Tan-Lu fault zone experienced intense extensional activities during the Late Cretaceous to the Early Paleogene. Thus, faulted basins were developed along the fault zone.
郯庐断裂带于晚白垩世至早第三纪经历了强烈的伸 展活动，普遍控制发育了断陷盆 地。
The simple shear extension mainly occurred in late Cretaceous-Early Paleogene, related to slab roll back of Pacific plate, decreasing Paleogene Pacific-Eurasia convergence rate and...
简单剪切发生在晚白垩世—早始新世，其动力与太平洋板块俯冲带的后撤、太平洋板块与欧亚板块之间汇聚速率的降低、以及先存北倾缝合带等密切相关。
The simple shear extension mainly occurred in late Cretaceous-Early Paleogene, related to slab roll back of Pacific plate, decreasing Paleogene Pacific-Eurasia convergence rate and...
简单剪切发生在晚白垩世—早始新世，其动力与太平洋板块俯冲带的后撤、太平洋板块与欧亚板块之间汇聚速率的降低、以及先存北倾缝合带等密切相关。
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