查询词典 quaternary

In the paper, Professor Zhao's historical course engaged in coral reef study and academic results are reviewed: he established the representative section for geological research on Quaternary coral reef, developed engineering geology research on coral reef, elaborated systematically landform development rules of coral reef in the South China Sea, uncovered certain paleo-oceanographical conditions and the new tectonic movement features, studied the historical climate recorded by lagoon of coral reef in the South China Sea and marine geography of coral reef for the first time, investigated comprehensively the only fringing reef of the seacoast of South China continent on western shore of Xuwen County, summarized initially the history of modern coral reef research in China.

文中回顾其从事珊瑚礁研究的历程，并评述其珊瑚礁研究的学术成果：建立了我国第四纪珊瑚礁地质研究的典型剖面；开拓了我国珊瑚礁工程地质研究；系统论述了南海珊瑚礁地貌发展规律，揭示了某些古海洋学状况和新构造运动性质；首次研究了南海珊瑚礁潟湖沉积记录的历史气候；首次进行了我国珊瑚礁区综合海洋地理学研究；较全面开展华南大陆沿岸唯一岸礁徐闻西岸珊瑚礁调查研究；初步总结了我国现代珊瑚礁研究史。

So the lower boundary of Quaternary should be 2.6-2.4ma B.P. in age.

但直到现在，还没有形成普遍一致的意见。

Cenozoic (Caenozoic; Cainozoic) The present geological era, beginning some 65 million years ago, and divided into two periods, the Tertiary and the Quaternary.

新生代：现在所处的地质年代，从六亿五千万年至今，可以再分为两个纪，第三纪和第四纪。

The gingko, jue loses the plant for Cainozoic Era Quaternary Period ice age, the national second-level protection rare tree seed, the academic circle says it "the living fossil", has 200,070,000 millennium ten thousand year history.

银杏，为新生代第四纪冰河时期的孓遗植物，国家二级保护稀有树种，学术界谓之&活化石&，具有二亿七千年万年的历史。

SITE CONDITIONS 2.1 Quaternary Geology Attawapiskat is located on the west coast of James Bay within the southeastern part of the Hudson Bay Lowland.

2立地条件 2.1第四纪地质学 Attawapiskat位于西海岸的詹姆斯湾东南部内的哈德逊湾低地。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。