查询词典 extinction

Environmental deterioration, greenhouse effect and resource extinction all became there green revolutionary flagships to prove the consistent correctness of their value insistence and strengthen the central position of their speech power.

它们以环境恶化、温室效应、资源耗尽为砝码，树立绿色革命标杆，藉此继续强调其价值观的一贯正确性、强化欧美话语权的中心主义地位。

Objective:To investigate the neurochemical mechanisms responsible for learning dependent long-term potentiation,the effect of CNQX on extracellular levels of glutamatewas measured in hippocampal dentate gyrusregion during the period of establishment and extinction of the conditioned reflex in free-moving conscious rats.

目的：观察条件反射的建立和消退过程中，ɑ-氨基羟甲基恶唑丙酸受体拮抗剂对自由活动大鼠海马齿状回细胞外液中Glu浓度的影响，并进一步探讨它们与习得性突触效应长时程增强和行为学习之间的关系。

It is difficult to determine gauge point and calibration value in extinction coefficient inversion of airborne lidar that detects in low altitude.

进行低空探测的机载激光雷达消光系数反演存在着标定点选取和标定值确定两大困难。

Fernald iterative backward integration method can find gauge point and calibration value for extinction coefficient inversion without other auxiliary equipment when airborne lidar is used for low altitude detection.

Fernald迭代后向积分法能够在不利用其它辅助设备的情况下，找到进行低空探测机载激光雷达消光系数反演所需的标定点和标定值。

The extinction of the two-pyroxene-bearing granulites within the temperature range higher than 950℃ indicates the position of petrological crust-mantle boundary beneath Hannuoba area.

二辉二长麻粒岩落在相似的温压范围内。麻粒岩捕掳体在950℃处的突然消失指示了第三纪时汉诺坝地区岩石学壳幔边界的温度。

In recent years he has long dedicated himself in the research and development of power system automation and his main research orientation includes intelligent protection of power system, ground selector in extinction coil ground system, net cable ranging, international standard of data transmission in power system, field data transmission server, signal processing in power system and DSP real-time operating.

近年来，一直从事电力系统自动化相关课题的研究开发，主要内容有电力系统智能化保护的研究、消弧线圈接地系统的接地选线的研究、配网电缆测距的研究、电力系统数据传输国际标准的研究、现场数据传输服务器的研究、电力系统信号处理的研究、DSP实时操作系统的研究等。

Several nitramine propellants are quenched at different initial pressure(up to 300 MPa)by rapid pressure decay in a small-sized ballistic simulator, which is different from the ordinary vented chamber in that it creats the burning environment of the propellant similar to that gun bore,and that the initial pressure before the extinction are relatively high.

用改进的小型弹道模拟装置，对几种硝胺发射药做了中止燃烧实验，中止压力达300MPa，并对中止燃烧样品做了SEM电镜观察。

Most holograms have lost their will to exist and this is why humanity is falling towards extinction.

大多数全息图已经失去了它们生存的意志，这就是为什么人类正在掉入绝灭的缘故。

A century ago southern Africa's elephants were driven close to extinction by indiscriminate ivory hunting. Now there are so many of them that experts say they are threatening the environment.

据路透社12月15日报道，一个世纪以前，由于受到获取象牙者的猎杀，生活在南非的象群无不面临着灭顶之灾；然而100年后的今天，那里的大象数量却又发展得如此&壮大&，以至于严重威胁到了当地的生态环境，甚至人身安全。

Based on the model of Logistic, Levins and Tilman, the model of exponent, restoration of habitat,habitat overlap has been put forward systematically and probe into the following questions :how do the evolutional characteristic of meta-population in different regions, the relation between the extinction order of animals and the degree of habitat destruction upon by human activities.

本文主要研究了以下问题：1、不同区域集合动物种群的演化特点、动物物种灭绝的顺序与人类活动对栖息地破坏的&度&的关系2、人为增加或恢复部分栖息地，对不同区域集合种群里强弱不同的物种种群的演化、繁衍将产生什么影响？

Mr. Putin said there were signs of genocide against the Ossetian people.

普京说，有迹象表明对南奥塞梯人进行了种族清洗。

What I'm trying to say, Tristan is...

特瑞斯坦。我想说的是。