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台网
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  network
    The Research on the Key Problems for the Integration of Technical System for National Center of China Digital Seismic Network
    国家数字地震台网中心技术系统集成中关键问题的研究
短句来源
    A Brief Description of the Beijing Seismic Network
    北京地震台网简介
短句来源
    AN EARTHQUAKE LOCATION PROGRAM WITH MULTIPLE VELOCITY MODEL AND ITS APPLICATION IN THE BEIJING SEISMIC NETWORK
    多重模型地震定位程序及其在北京台网的应用
短句来源
    ANALYSIS OF HYPOCENTER LOCATION CAPABILITY OF A REGIONAL SEISMIC NETWORK
    区域地震台网地震定位能力分析
短句来源
    A Brief Description of the PDP-11/44 Computer System to Be Installed at the Telemetered Seismic Network of Beijing·
    北京电信传输地震台网PDP-11/44计算机系统简介
短句来源
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  station network
    Service system of information network in National Center for Seismic Precursory Station Network
    中国地震前兆台网中心数据信息网络服务系统
短句来源
    DATABASE SYSTEM OF DATA CENTER OF CRUSTALDEFORMATION STATION NETWORK
    形变台网数据中心数据库系统
短句来源
    INVERSION OF Q VALUE, SITE RESPONSE AND SEISMIC SOURCE PARAMETERS IN FUJIAN AREA USING DATA OF DIGITAL SEISMIC STATION NETWORK
    利用数字地震台网资料联合反演福建地区Q值、场地响应和震源参数
短句来源
    This article introduces the practical observations of the pre-earthquake electromagnetic wave observation station network in Jiangsu region in resent years and discusses the electromagnetic wave warning-signs during the approaching period of earthquakes based on the observations of the electromagetic radiation signals before the Liyang earthquake Ms 6.0 in Jiangsu province in 1979, the Heze earthquake Ms 5.9 in Shandong province in 1983 and the South Yellow Sea earthquake Ms 6.2 in 1984.
    本文介绍江苏地区震前电磁波观测台网几年来的实际观测资料,并根据1979年溧阳M_s6.0、1983年山东荷泽 M_s5.9及1984年南黄海 M_s6.2级等地震前电磁波辐射信号的观测结果,讨论有关临震电磁波前兆问题.
短句来源
    The average error was reduced from 0. 10 to 0. 03 unit by different station network in the eastern China,while that from 0. 20 to 0. 05 in the western China.
    我国东部地区,不同台网测定同一地震震级平均偏差从0.10下降至0.03震级单位,西部地区从0.20下降至0.05;
短句来源
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  seismographic network
    The Research on the Apparent Slowness and the Location of Seismographic Network and Seismological Array Station in Shanghai
    上海地震台阵与台网的定位及视慢度研究
短句来源
    Global seismographic network records the great Sumatra-Andaman earthquake
    全球地震台网记录苏门答腊-安达曼特大地震
短句来源
    STUDY ON THE TELEMETER SEISMOGRAPHIC NETWORK OVER IP
    基于IP的遥测地震台网探讨
短句来源
    Administration of the power supply system of Guangdong Digital Seismographic Network
    广东数字地震台网供电系统的管理
短句来源
    The Global Seismographic Network surpasses its design goal
    全球地震台网超额完成其设计目标
短句来源
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  “台网”译为未确定词的双语例句
    Telemetered Seismic Network-"System 768
    电信传输地震台网——“768工程”取得成果
短句来源
    A TENTATIVE IDEA OF COMPILING A SUPPLEMENT TO THE "OBSERVATION REPORT OF THE SEISMOGRAPHIC NETWORKS IN CHINA (1966—1970)"
    《中国地震台网观测报告》(1966—1970)补编工作设想
短句来源
    Normal Dynamic Analysis of the Observational Results of Shanxi Tiltmeter Array
    陕西地倾斜台网观测成果正常动态的分析
短句来源
    A STUDY OF UPPER MANTLE STRUCTURE OF CHINACONTINENT BY SURFACE WAVE DATA FROMCHINA DIGITAL-NETWORK
    用数字台网的面波资料研究中国大陆的地壳上地幔结构
短句来源
    THE GROUP DELAY OF PDR-2 STATIONS
    PDR-2台网的群延迟
短句来源
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  network
A recognition problem in converting linear programming to network flow models
      
A routing in a network assigns to each ordered pair of nodes a fixed path.
      
When either a node or a link in a fault-tolerant network fails, the communication from one node to another using this faulty element must be sent via one or more intermediate nodes along a sequence of paths determined by this routing.
      
An important and practical problem is how to choose a routing in the network such that inter-mediate nodes to ensure communication are small for any fault-set.
      
The result shows that most inverse network optimization problems with l∞ objective function can be solved in the polynomial time.
      
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  station network
The program of investigations (schedule, station network, and measured parameters) is standardized in accordance with the international practice of such work and accounts for the experience of monitoring studies of Russian and foreign researchers.
      
By use of the specialized under ground electrodes as the sensor, the Experimental Multi-station Network observed Seismic Electromagnetic radiationsprior to the moderately strong earthquake.
      
The number of arrival-time applied to the inversion is 11 816 total, which are recorded by the Seismic Station Network of Ningxia from 1 107 local natural earthquakes happened since 1970.
      
It also indicates that the source parameters obtained by these methods are not affected by the size of station network.
      
We consider a two-station network with two types of jobs: type 0 jobs require service at station 1 only and type 1 jobs require service both at station 1 and 2 in sequence.
      
更多          
  seismographic network
The digital seismic data of 69 earthquakes from Beijing Telemetered Seismographic Network are used.
      
Recordings of these two events at six stations of China Digital Seismographic Network (CDSN) are employed.
      
Moment tensor inversion applied to regional broad band waveforms obtained from the Greek National Seismographic Network provided focal mechanisms for 23 aftershocks with magnitudes ranging from Mw 3.6 to 5.4.
      
Preliminary analysis of the first digital recordings obtained in the Portuguese seismographic network - Attenuation studies
      
MedNet is the very broad-band seismographic network installed by the Istituto Nazionale di Geofisica (ING) in countries of the Mediterranean area, with a final goal of 12-15 stations and a spacing of about 1000 km between stations.
      
更多          


The continuous increase of seismic stations in China has been accompanied by the rapid development of the study of regional earthquakes. The data of a series of minor earthquakes has been accumulated. On the other hand, in every sequence of earthquakes, the number of minor earthquakes has always been much more than that of greater earthquakes. Therefore, the study of the mechanism of minor earthquakes is quite neccessary. It is an intention in this paper to propose a method for studying the mechanism of minor...

The continuous increase of seismic stations in China has been accompanied by the rapid development of the study of regional earthquakes. The data of a series of minor earthquakes has been accumulated. On the other hand, in every sequence of earthquakes, the number of minor earthquakes has always been much more than that of greater earthquakes. Therefore, the study of the mechanism of minor earthquakes is quite neccessary. It is an intention in this paper to propose a method for studying the mechanism of minor earthquakes. The method adopts the double couple model and uses three variable angles to determine the orientation of the principal axes of stress. To solute the three variable angles, we use the mutual ratios of first motion amplitude of four stations to establish three independent equations. The method requires at least four stations and only one component good recording at every station. The characteristics of seismometer are required. The effects of ground surface and the limitation for magnitude are discussed.

随着我国地震台网的不断增密,区域地震的研究正在迅速发展,所面对的资料是大量小地震。此外,在任何一个地震序列中,小地震的数量总比大地震多得多。因此研究小地震的机制非常必要。本文试图给出一个研究小地震机制的方法。此方法采用双力偶点源模型,通过三个变角来确定应力主轴的取向。为了求解三个变角,利用四个地震台初动振幅的相互比值建立了三个方程。此方法要求至少有四个地震台,而每个台只要有一个分向的良好记录即可。对地震仪的特性提出了要求,对地面影响和此方法的震级限度作了讨论。

It is shown in this investigation that the reflected waves from the M discontinuity around the critical angle are very useful for determining the crustal depth of the earth and the average velocity to that depth of the reflected waves. The results of applying this method to the Lin Fen (临汾) Basin are given. A Monte Carlo procedure is used in the calculation.

本文讨论区域地震台网记录到的临界角附近的地壳界面反射波,利用该震相测得临汾盆地内地壳的平均厚度为38公里,反射S波的平均速度为3.52公里/秒。在盆地内主要的断裂带(沿汾河河谷)西侧的地壳厚度比其东侧的厚1—2公里,由此推测该断裂带可能一直延伸到地壳界面以下。计算过程中采用了随机尝试法。

The purpose of designing and experimenting a MFT-PTtype composite multichannel telemetry system is to transmit and observe at the same time short period and long period seismic signals and other geophysical data for a comparatively large area (100-200kms radius).It is a combination of the pulse amplitude modulation and frequency modulation types. The design of the system consists of some special features, such as the "Waiting Type" multi-phase multivibrator, singletube monostable circuit. When this system is...

The purpose of designing and experimenting a MFT-PTtype composite multichannel telemetry system is to transmit and observe at the same time short period and long period seismic signals and other geophysical data for a comparatively large area (100-200kms radius).It is a combination of the pulse amplitude modulation and frequency modulation types. The design of the system consists of some special features, such as the "Waiting Type" multi-phase multivibrator, singletube monostable circuit. When this system is used together with a computer and magnetic tape recorder, it is possible to process seismic data very quickly.If audio frequency is used, then by means of a telecommunication line, seismic signals can be transmitted to thousands of kilometers away. When radio frequency receivers and transmitters are used the system can be turned to be a portable telemetered seismic network.

MFT—PT型遥测仪的研制,是为了在较大范围内(100—200公里)同时传输观测短周期、长周期地震信号和其他地球物理量. 该仪器系统是由脉冲幅度调制和频率调制两种遥测系统复合组成的.其设计特点有如等待式多相多谐振荡器,单管单稳电路等.遥测仪与电子计算机,磁带机配用可以达到快速综合处理地震信号的目的. 该仪器如果采用话音频率,则可以利用电话线路把地震信号送到几千公里之外.遥测仪如果与射频收发讯机配合,则可以构成无线流动台网.

 
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