地震定位：在多大距离内地球可不再被视为平坦的？
LocatingEarthquakes: at What Distance Can the Earth No Longer Be Treated as Flat?
本文提出了分析区域地震台网地震定位能力的一种通用方法。
A general procedure has been developed for analyzing the hypocenter location capability of a regional seismic network.
这就使得有可能通过台网的适当布局，获得地震定位的唯一解。
Thus, it is possible to obtain a unique solution of earthquake location in the classical sense through appropriate distribution of seismograph network.
采用微地震定位监测技术对华丰煤矿关键层运动诱发矿震进行了研究。
Studied the shock bump caused by the key stratum movement in Huafeng Colliery using the microseism locating and monitoring technology.
理论模拟和实际定位结果都证明，SSA是普通微小地震定位的一种好工具。
The theoretical simulation and actual location result can all prove that SSA method is a good tool to locate the ordinary small earthquake.
交切法是最基本的地震定位方法之一，该定位方法具有稳定性强、速度快的优点。
The intersection method is one of the basic approaches for locating earthquakes and is not only robust but also efficient.
同时，姚安、大姚地震序列的重定位结果也说明双差定位法是一种比较好的地震定位方法。
In addition, the relocation results of the Dayao and Yaoan Earthquake sequences also show that the double difference location method is more effective.
地震定位与波形方法检测，地震震源机制，断层活动数值模拟，地壳断层结构与地球内部结构。
Earthquake location and detection by waveform cross correlation, focal mechanism. Crustal fault zone structure imaging. Numerical modeling on earthquake ruptures and faulting.
对于专门进行地震定位研究的工作，还提供了绘制地震定位误差二维等值线图和三维误差分布图的功能。
For special earthquake location research, it also provides function to draw two dimensional isogram drawings of earthquake location error and distribution drawings of three dimensional error.
为了进行比较，还分析了一个包括61个台站的北京台网扩建方案，从而可以预先估计未来台网的地震定位能力。
For comparison, a planned enlarged Beijing network with 61 stations is also analyzed, giving a preview of the location capability of the future network.
提出了利用密集的震源区精确地震定位结果获得该区地震分布三维图像的方法，可以反映震源区活动构造的三维形态。
Another method is proposed to get a 3-d earthquake distribution image using dense and high precise hypocenter position data.
文章对双差地震定位法的原理及其主要程序进行了简要的介绍，并对该方法在实际应用中的一些特点和需注意的问题进行了讨论。
The principle and key programs of the Double Difference Algorithm have been briefly introduced in the paper and with the problems in applying the technique to relocate earthquake discussed.
结合这些有利条件，在深入学习传统定位方法的基础上，本论文提出了联合利用地震波到时和视出射角参数进行地震定位的方法——地震波到时与视出射角联合定位方法。
To use these advantages, based on studying lots of locating methods, this paper present a new method which use seismic arrival-time and apparent emergence angles to locate earthquakes.
科学家们将地震活动位置定位在圣安德烈亚斯断层沿线。
The scientists positioned the seismic activity as being along the San Andreas fault.
日本沿海的地震，通过战略定位来引起海啸，不是自然母亲的所作所为。
The earthquake off the coast of Japan, strategically positioned to cause the tsunami, was not Mother Nature's doing.
研究人员是在比较了全球定位卫星在地震前后拍摄的照片之后得出以上结论的。
The researchers compared data taken by global positioning satellites before and after the earthquake to reach their conclusions.
声波定位仪正好用来检测这种情况；而在船只上远程遥控运行、云集在此处附近的地震测试器和相机也正好派上用场。
Sonar is being used to monitor the situation; so are seismic tests and the cameras on the remotely operated vehicles swarming round the site.
32处放射性污染源在地震中被埋于废墟下，至今已找到30处，其余2处也已被定位。
32 radioactive sources were buried under debris during the quake. So far, 30 have been recovered by authorities, and the other 2 have been located.
机器蛇可能的应用包括在地震或者其他自然灾害之后，用于定位坍塌建筑中的幸存者。
Possible applications of snake robots include locating survivors in collapsed buildings after earthquakes or other natural disasters.
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.
全球定位系统GPS是利用监测地壳运动进行地震预测的新手段。
The Global Positioning System (GPS) is used to monitor crustal movement which is the new method for earthquake prediction.
二次定位技术是浅海过渡带地震勘探的关键技术之一。
Secondary positioning technique is one of key techniques of seismic exploration in neritic transitional zone.
它被分为四个主要的部分：板块构造学，地震，全球定位系统和起作用的空间技术。
It is divided into four major sections: Plate Tectonics, Earthquakes, GPS, and Space Technology at Work.
讨论了GPS瞬时定位方法的特点及其应用，评述了利用GPS观测数据研究慢地震取得的成果及其动态。
We also discuss the features and applications of instantaneous positioning method and make some comments on the research results of slow earthquakes determined by continuous GPS measurements.
地平线公司在地震方案提供精确定位服务，移动钻机，建设和疏浚工程。
Horizon provides precise positioning services during seismic programmes, rig moves, construction and dredging projects.
在海上地震勘探中，检波器经常发生漂移，室内资料处理时必须对其进行二次定位。
The geophone often shifts in the offshore seismic exploration, so it should be re-located in interior data processing.
这种断层带上的侧向速度急剧变化还有其它表征，诸如震中定位的偏移、地震节平面的变形等等。
Other evidence for severe lateral velocity change across the fault zone lies in hypocenter bias and nodal plane distortion for earthquakes on the fault.
地震活动与小震精定位能够反应区域构造信息，与地壳介质各向异性方向的区域应力环境相对应。
Seismic activity and seismic relocation can show the regional structure information, which just correspond to the structure information shown by seismic anisotropy in crust.
利用调制地震方法通过对山东及邻区1970年以来的所有定位地震进行时间空间扫描。
The spatial and temporal scanning has been done for all the located earthquakes occurred in Shandong province and neighboring area since 1970 by the modulated earthquake method.
利用调制地震方法通过对山东及邻区1970年以来的所有定位地震进行时间空间扫描。
The spatial and temporal scanning has been done for all the located earthquakes occurred in Shandong province and neighboring area since 1970 by the modulated earthquake method.
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