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第四纪

na.quaternary; 【地】Quaternary period
网络alluvium period; Quaternary era; The Fourth Age

第四纪

第四纪

英-汉网络释义

第四纪

na.

1.【地】Quaternary period; Anthropogene; quaternary

1

Forests in the Yellow River region have already decreased a great deal in Quaternary age, and the Loess Plateau began to be formed .

在黄河流域，第四纪时森林已大量减少，黄土高原已开始形成。

2

The period leading up to the domestication of cereals was one of erratic climate change , as the last ice age ended .

第四纪冰河时代结束，人们开始耕种谷物之前的时期气候变化无常。

3

the Quaternary Period in which human beings began to appear on the earth went into Ice Age again , it was the last time .

在人类出现在地球上的第四纪再一次进入了冰河期，也就是最后一次。

5

To sum up, the earth's crust of the area has a weak activity to show mainly creep-slip active mode since the Late Pleistocene.

研究区地壳晚第四纪以来具有微弱活动性，且主要表现为蠕滑活动方式。

6

The cool temperatures of the Quaternary may have allowed our brains to become much larger than those of our of hominid ancestors .

第四纪的凉爽气温或许让我们的大脑比人类远祖的大脑更大。

8

It's evident that the ice sheets have gone through multiple stages of growth and retreat over the course of the Quaternary .

很明显，在第四纪，冰层已经历过生长和消融的多个阶段。

9

Quaternary Lixian sag is northwestern one of the secondary tectonic units of the Dongting basin .

第四纪澧县凹陷为洞庭盆地西北部的一个次级凹陷。

10

About 7~8 times of large-scale seawater invasions have taken place due to the neotectonic movement and climate change since the Quaternary .

自第四纪以来，由于新构造活动与气候变迁，约有 7~8 次大规模海侵。

11

At the same time, the standard Quaternary stratigraphic system of the North China Plain had been established on the basis of previous study .

与此同时，结合前人的研究成果，建立了华北平原第四纪地层的标准模式地层层系。

12

The fast growth of the salt structure took place from the middle -late Pliocene to Quaternary , featuring quick and differentiated growth .

上新世中晚期一第四纪进入快速生长期，晚期盐构造生长速率高且差别大。

14

Geologically , the rock mass of the Mogao Grottoes is semi-binder calcirudite of the quaternary sediment of very loose structure .

莫高窟岩体在地质学上属第四纪沙泥质、钙质半胶结砾岩，结构十分松散。

15

17

China's Datong group of volcanic Quaternary volcanic one of the group .

大同火山群是我国第四纪火山群之一。

19

Quaternary Glacier played very important role in formation of mountain genera and species, endemic genera and species in southern China .

第四纪冰川对我国南部高山昆虫属、种及特有种的形成起到了重要的作用。

20

The Quaternary strata of Anhui Province are developed mainly in Huaibei Plain, Jianghuai Undulating Plain and Yanjiang Hilly Plain .

安徽省第四纪地层主要发育于淮北平原、江淮波状平原和沿江丘陵平原。

21

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23

In the late Pleistocene, modern water system was formed as the climate was much more drought .

至第四纪晚期，气候更加干旱，现代水文网定型。

25

The Chinese loess is important Quaternary sediment . The information from the loess is important to understand Quaternary paleoenvironment .

黄土是第四纪时期的重要堆积物，其对于古环境的恢复具有极重大的意义。

26

Finally , we suggest that Sichuan Basin was a refugial area for Dendrolimus punctatus in Quaternary Ice Age .

最后，我们推测在第四纪冰期时期四川盆地是马尾松毛虫的避难所。

27

foreland sediment and tectonic evolution since Jurassic -Quaternary .

侏罗纪 -第四纪前陆盆地沉积构造演化阶段。

28

In the early Pleistocene, there were two water systems in Ejina Region with the warm and humid climate relatively.

在第四纪早期，额济纳盆地存在两个水流系统，且气候环境较为温暖潮湿；

29

Chengdu depression is an important Quaternary basin in front of the Longmenshan mountain .

成都断陷是龙门山前缘重要的第四纪构造盆地。

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