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In the new modes of civilization started from industrialization, and on the background of globlization at present, Chinese society has gone through drastic changes materially and mentally, though misreading and misdoing about modernization do exist.
在始自工业化的新的文明模式中、在全球化背景下的中国社会,虽然还有许多关于现代化的误会和误区,但也不可改变地发生着急遽的变化,无论是物质的,还是精神的。
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During Paleogene period 48~ 32 Ma in northeast China, one or several at least basaltic magma eruption events occurred each 1Ma; it is verified by K - Ar chronometric age data.
在中国东北地区始新世48~32Ma期间,每1Ma内至少发生一处或数处玄武岩浆喷发火山事件。K—Ar测年数据记录了其活动的存在。
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The extinction or appearance of these Ostracoda always occurred in a short time interval, and can be correlated locally and globally, so they are of importance in bioeventstratigraphy. This article listed six such biological events in Qaidam Basin and discussed their causes. The extinction of Cetacella reflected temperature decrease at global scale and changes of palaeoclimate zones during the latest Jurassic and the earliest Cretaceous; The rapid decline of Cypridea in the earliest Cretaceous may be a result of the strikes of small planets; at the latest middle-Eocene Austrocypris became extinct, and at Oligocene Hemicyprinotus disappeared. These events related to the changes of the geological conditions at that time. The explosion of Cyprideis at the middle-Miocene was because the rise of Qinghai-Xizang Plateau which resulted in the dry climate and development of salt lakes.
这些水生生物的绝灭或发生均很迅速,在区域或全球范围内均可对比,具有生物事件地层学意义:Cetacella属的绝灭可能是侏罗、白垩纪之交全球性的古气候降温和气候带变化在柴达木盆地的反映;早白垩世之后Cypridea的迅速衰退是地外因素灾变的结果;中始新世晚期的Austrocypris的绝灭、渐新世Hemicyprinotus的绝灭都与当时地质条件的改变存在著内在的联系;中中新世Cyprideis的爆发推断是青藏高原隆升,导致气候乾燥、湖水咸化的结果;而晚更新世晚期1。
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This thesis set up the pedogenetic classification system of the sub-Antarctic maritime climate region, and the soils of study area are classified into 3 orders. 4 suborders (cryentisolorder、cryaquept-order, cryochrept-order and cryohistosol-order) and 13 groups. The diagnostic soil characteristics of each group are analysed. The soil mapof Fildes Peninsula of King George Island. Antarctica (1∶20000) is mapped.
建立了亚南极海洋性气候区土壤地理发生分类体系,将研究区土壤划归3个土纲、4个亚纲(冷冻新成土亚纲、冷冻潮湿始成土亚纲、冷冻正常始成土亚纲、冷冻有机土亚纲),13个土类,阐述了各土类的诊断特征,并绘制了南极乔治王岛菲尔德斯半岛土壤图(1∶2万)。