middle area是什么意思

用法例句

Based on integration of stacks of geophysical data, tectonic achievements and testing data of the basin and its neighborhoods, evolutive settings, deformation characteristics and evolutive processes of different extensional structural types in different tectonic periods of the middle area of Jizhong depression , are focused on in this paper.

本文以对大量地球物理资料的研究为基础，结合盆地及邻区丰富的地质构造研究成果及测试数据，以冀中坳陷中区为解剖对象，重点研究该区不同时期、不同类型伸展构造的形成背景，变形特征和演化过程。

The geochemical characteristics of saturated and aromatic hydrocarbons from crude oils or core extracts in the Ⅲ block in Junggar Basin have been investigated by gas chromatography-mass spectrum analysis.

通过对准噶尔盆地中Ⅲ区块的原油或油砂抽提物饱和烃与芳烃气相色谱-质谱分析,研究了原油及油砂抽提物中的正构烷烃、类异戊二烯烷烃、β-胡萝卜烷以及甾萜烷烃系列化合物的分布特征,对原油类型进行了划分,并对其油源做了初步的分析。

According to the composition(such as CO2,CH4,NyOx, CF3SF5,fluorochlorohydrocarbon and so on) of air pollution, the direct and indirect influencing factors of air pollution at the upper reaches of Hanjiang River on the regional greenhouse effects of Hanzhong, Shaanxi,China, has been systematically analyzed.

依据大气污染的构成(如CO2、CH4、NyOx、CF3SF5、氟氯碳化物等),系统分析了汉江上游的大气环境污染对汉中区域温室效应的直接影响因素、间接影响因素。