化石研究人员已经发现的古海洋生态系统残骸，是出现在迄今为止，地球历史上最为严重的一次生物灭绝中。
Fossil hunters have uncovered the remains of an ancient Marine ecosystem that arose in the aftermath of the most devastating mass extinction in Earth's history.
同时，费尔南多还在进行一项名为“贯穿地球(tte)”的信号系统研究。
To the same end, Fernando is also investigating a system of "Through-the-Earth" (TTE) signalling.
与此同时，在北美开展的“地球透镜”计划正在建立一个包括全球定位系统定位仪、地震仪和其他仪器所组成的洲际范围的网络，以研究地壳下面的活动情况。
Meanwhile, in North America, the EarthScope project is establishing a continent-wide network of GPS locators, seismographs, and other instruments to study what's happening below the crust.
像研究者所说：“虽然地球系统中有许多重要的时间滞后……这些滞后对人类幸福感带来的后果却不清楚。”
As the researchers put it: "While there are many important time lags in Earth's systems…the consequences of those lags for human well-being are unclear."
马里兰大学巴尔的摩分校的生态学家艾勒·艾丽斯(ErleEllis)研究表明，现在地球上的大部分生态系统都反应了人类的活动。
According to studies by Erle Ellis, an ecologist at the University of Maryland, Baltimore County, the vast majority of ecosystems on the planet now reflect the presence of people.
由于该行星系统是如此接近地球，天文学家可以相对容易地研究行星的大气层。
Because the system is so close to Earth, astronomers can study the planets' atmospheres relatively easily.
要确定气候变化是如何改变北极湖泊的这种生物地球化学循环系统，德莱夫尼克的研究小组分析了来自加拿大北极地区和挪威斯瓦尔·巴德9个湖泊的沉积物岩心样本。
To determine how climate change alters this biogeochemical cycle in Arctic lakes, Drevnick's team analyzed sediment cores from nine lakes in the Canadian Arctic and in Svalbard, Norway.
地球科学家最近在记者招待会上称，他们已经开始运用这个系统对深海火山活动进行严密的监控，而且正在计划进行类似的研究。
Earth scientists announced at a news conference recently that they had used the system for closely monitoring a deep-sea volcanic eruption for the first time and that they plan similar studies.
对赣南三百山盆地晚侏罗世武夷群火山岩的岩石地球化学特征进行了系统研究。
A systematic study of the petrology and geochemistry of volcanic rock located in Sanbaishan basin of South Jiangxi are gived.
对沽源-多伦盆地火山岩类和花岗岩类进行了同位素地质年代学、地球化学和铀成矿条件的系统研究。
The results of systematic studies of geochronology, geochemistry and uranium metallogenic condition of volcanic rocks and granites in Guyuan-Duolun Basin are reported.
与此同时，在北美开展的的“地球透镜”计划正在建立一个包括全球定位系统定位仪、地震仪和其他仪器所组成的洲际范围的网络，以研究地壳下面的活动情况。
Meanwhile, in North America, the EarthScope project is establishing a continent-wide network of GPS locators, seismographs, and other instruments to study what's happening below the crust.
本文研究了自适应tdma的解决方案，包括地球站结构、帧结构安排、系统体系结构和链路质量估计及其传输。
In this paper, solutions of adaptive TDMA is studied, including earth station configuration, frame structure, system hierarchy arrangement, and quality estimation and transmission for links.
加利福尼亚大学戴维斯学院教授，约翰·兰德尔博士说地震的复杂性要求我们把它们作为整个地球系统的一部分去研究。
University of California, Davis, Professor Dr. John Rundle said the complexity of earthquake requires that we study them as part of the full earth system.
对地壳的流变特性和变质变形研究是当前地球系统科学研究的一个重要切入点。
The research on lithosphere rheology and deformation and metamorphism is an important cut-in point of earth system science.
通过理论计算和实际试验，研究和分析了河流中重金属元素的地球化学行为及其对两侧浅部含水系统的影响。
The geochemical behaviour of heavy metals in river and its effect on shallow aquiferous system of both sides of the river are studied by theoretic calculation and experiments.
分别以地球系统科学联盟的全球碳计划和美国的北美碳计划为例，介绍了国际碳循环研究的重点与趋势。
Taking the Carbon Cycle Project of ESSP and the North America Carbon Program of US as examples, the research focus and trends of this field were addressed.
对马北油田各个构造原油样品的生物标志物进行了系统的分析，研究了它们的地球化学特征。
Biomarkers in crude oil samples from every structure of the Mabei oilfield are analyzed and their geochemical characteristics are studied.
通过对辽宁区域岩石41种元素的区域分布研究，作者提出了辽宁岩石元素地球化学分区系统。
Through the study on the regional distribution of 41 kinds of elements in rocks from Liaoning, the author put forward a geochemical zoning system for rocks from Liaoning.
作者于2000年和2002年对青藏高原东部长江河流溶质载荷进行了较为系统的野外取样工作，并对主要离子地球化学特征进行了分析研究。
The examination of major ion geochemistry is based on the field sampling of the dissolved loads from the Changjiang River on eastern QinghaiXizang Plateau in the years of 2000 and 2002.
地球气候系统的突然变化是近年来地学研究的热点。
Abrupt changes in the Earth's climate system have generated much interest recently.
对流体-岩石相互作用过程中氧同位素变化的地球化学动力学进行了系统评述，其原理和模型也可扩展到对其他元素的研究。
This article reviews geochemical kinetics of oxygen isotope exchange during fluid rock interactions, whose principles and models can also be extended to studies on other elements.
与此同时，在北美开展的“地球透镜”计划正在建立一个包括全球定位系统定位仪、地震仪和其他仪器所组成的洲际范围的网络，以研究地壳下。
Meanwhile, in North America, the EarthScope project is establishing a continent-wide network of GPS locators, seismographs, and other instruments to study what's happening below the crust.
应用有机岩石学和有机地球化学方法对储层沥青进行了系统的研究。
The reservoir bitumens were systematically studied by applying the organic petrologic and organic geochemical methods.
本文对浙西南地区淡竹花岗闪长岩中的锆石群进行了形态学、地球化学和年代学的系统研究。
This paper presents a systematic study on morphology, geochemistry and geochronology of a zircon population from the Danzhu granodiorite located in the southwest region of the Zhejiang province.
本文对浙西南地区淡竹花岗闪长岩中的锆石群进行了形态学、地球化学和年代学的系统研究。
This paper presents a systematic study on morphology, geochemistry and geochronology of a zircon population from the Danzhu granodiorite located in the southwest region of the Zhejiang province.
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