震源區 的英文怎麼說

中文拼音 [zhènyuánqū]
震源區 英文
focal region
  • 震 : Ⅰ動詞1 （震動） quake; shake; shock; vibrate 2 （情緒過分激動） be greatly excited; be deeply ast...
  • 源 : 名詞1. （水流起頭的地方） source （of a river）; fountainhead 2. （來源） source; cause 3. （姓氏） a surname
  • 區 : 區名詞（姓氏） a surname
  • 震源 : [地球物理] focus; seat; hearth; centre; centrum; origin
  1. Based on the fromer study of mine tectonic, hydrology, tunnel deformation, etc., 3 - d numerical simulation of current tectonic stress field of lvjiatuo coal mine was done in this thesis, combining with local hypocenter mechanism solve and relational stress in - situ measuring value regression analysis has been done to the simulation result, and the reasonable results are gained those will offer dependence for disposing the tunnels more rational and making tunnel supporting more economical and safer

    摘要本文在前人對呂家坨礦進行礦井構造、水文地質、巷道變形等研究的基礎上，結合該地區的震源機制解及有關的應力實測值，對礦區現今構造應力場進行了三維數值模擬，並對模擬結果進行了線性回歸分析，得到了與現實較為符合的結論，為更合理的巷道布置和更經濟而安全的巷道支護提供依據。
  2. Studies on the earthquake sequences and the source mechanisms of the strong earthquakes show that yunnan has more obvious subarea characteristics of earthquake type

    摘要對雲南地震序列和強震震源機制的分析與研究表明，雲南地區具有較明顯的地震類型分區特徵。
  3. The result shows, the source parameters for example seismic moment, corner frequency and stress drop and so on is relative with magnitude, the evolvement characteristic of time and space of stress drop is a new measure for earthquake prediciton

    分析表明，該地區的地震矩、拐角頻率與應力降等震源參數與震級有一定的相關性，應力降的時空演化特徵可以作為該地區今後地震趨勢預測的一種新手段。
  4. Combined with some previous results, we have generalized preliminarily the dynamic evolution characteristics of stress field in the focal region and its adjacent area before moderate and strong earthquakes, and tried to give out the judgement index of earthquake prediction with the comprehensive mechanism solution of small earthquake

    結合前人的有關研究成果，綜合歸納了中、強地震前震源區及附近應力場的動態演變特徵，並嘗試給出了小震綜合機制解參數預報地震的判據指標。
  5. The result show, most of the medium - strong earthquakes faults are dip - slip reversed, distribution of the main stress p axis is sector from west to east ; there are large difference between kuche and baicheng region in seismic activities, but the characteristic of cluster is same in the two region ; the distribution of medium - strong earthquakes is nw direction in baicheng region, it show, there can have a concealed fault ; small earthquake clusters ' activities can reflect the effect that local medium - strong earthquakes to the secondary small structure around it

    結果表明：南天山東段中強震震源斷錯以傾滑逆斷為主，主壓應力p軸由西到東呈扇形分佈；相距較近的庫車與拜城地區地震活動存在較大差異，但均存在明顯的成叢性分佈特點；拜城地區中強地震分佈呈北西向可能預示著該區存在隱伏斷裂，小震群活動則可能反映了局部中強震對周圍次級小構造的影響。
  6. First of all, it determines the scope in which earthquake might be genetated, the potential seismic sources areas and the upper limit of the earthquake magnitude through the analysis, research and evaluation of the area seismic geological condition of the workzone. secondly, according tothe research of the seismic activity, it also determines the seismic activity coefficients for per potential seismic sources areas, and the delay relation of seismic intensity and seismic accelaration, and then three different seismic intenstities and dynamic strength of bedroch under different probability are given. through the analysis and caculation of earthquake hazard with the analytic approach of probability

    首先，對工作區的區域地震地質環境進行了分析、研究、評價，確定了萊蕪市可能發生地震的范圍、潛在震源及其震級上限等。其次，根據對地震活動性的認識，確定了各潛在震源區的地震活動性參數及萊蕪市地震烈度和地震加速度衰減關系，在此基礎上用概率分析法對萊蕪市地震危險性進行了分析計算，得到了萊蕪市在三種不同概率水平下的地震烈度和基巖地震動強度。
  7. ( 3 ) based on the analyses results of simple inference method and seismic focal mechanism and on the statistic results of measured geostress data, the direction of principal stress was derived and based on the analyses results of macro geological estimate and on the statistic results of measured geostress data the magnitude of principal stress was derived too. the influence of rapidly down - cutting of yellow river on geostress field of studied zone was discussed. then the evolution of geostress field accompanying with the down cutting of yellow river and was simulated with fem and the spatial distribution features of geostress were discussed

    根據簡易推斷法、地震震源機制分析法以及地應力實測資料統計分析結果，綜合確定了工程區的主壓應力方向；運用地質宏觀判斷法並結合地應力實測資料的統計分析結果對地應力的量級進行了綜合評價，並進一步討論了黃河快速下切對研究區地應力場的影響；運用有限元法模擬了研究區地應力場的形成過程，並探討了地應力的空間分佈規律。
  8. This paper discussed two problems in current seismic safety evaluation for engineering site, i. e., the requirements of seismotectonic investigations and evaluation in near site area ( near region ) at the different seismic work levels ; and consistency between seismogenic structure and potential earthquake source with deterministic method and probabilistic method in engineering site seismic work at i - level

    摘要本文討論了目前工程場地地震安全性評價工作中大家關心的兩個問題：不同級別地震工作的近場區（近區域）地震構造調查和評價的不同要求以及級工作中確定論和概率論分析方法中發震構造與潛在震源區的統一性。
  9. The envelop functions of ground motion for the small - moderate earthquakes in the near - source field are different with those of the larger earthquakes. there are not stationary part any more in the envelop function of these ground motions. after we analyze the characteristics of these envelope functions we take a exponent function instead the three part function

    近場的中小地震由於其在到震源的距離與震級方面的特殊性，其時程包絡函數的形狀與遠震、大震有很大的區別，在遠震、大震包絡函數中很常見的平穩段不再存在。
  10. In order to make the studying about the seismic exploration method possess systematic nature and the ability of tackling key problem in front - zone of mountain, we have done the research work of tackling key problem aiming at the field gathering technology of seismic exploration of the complicated structure belt ( the construction of underground and the earth ' s surface condition are complicated ) of front - zone of mountain in this text, and a large number of relativity trials by the close combination of production and scientific research, summarized a set of field method of the complicated structure belt of front - zone of mountain, adjusted both of trial factor and construction factor of the field gathering in time, achieved finally the goal of making its structure character clear

    近幾年來，隨著地震勘探裝備和技術的改進，野外資料採集技術有了新的進展，主要表現為多種震源聯合激發方法（井炮和大噸位可控震源） ，基於地表條件及表層調查基礎上的激發選點方法，小道距、長排列、高覆蓋接收方法，基於模型的「分段、分線、分區」觀測系統目標設計方法等，取得了顯著的勘探效果。為了使山前地震勘探方法研究具有系統性和攻關性，通過本文對復雜山前復雜構造帶地震勘探的野外採集技術進行攻關研究，進行了大量具有針對性的試驗，總結出了一套山前復雜構造帶野外施工方法，最終達到了搞清復雜山前復雜構造帶山前復雜構造帶構造特徵的目的。
  11. Analyzing on sequence characteristics, earthquake source, medium rupture characteristics, source conditions, historical seismicity, regional earthquakes and anomaly change of precursor data, etc., we know well regional background of seismic activity before the m ( subscript s ) 6. 1 the earthquake and judge earthquake situation trend after the m ( subscript s ) 6. 1 the earthquake

    摘要通過分析昭蘇6 . 1級地震序列特徵、震源與介質破裂特性、震源環境與歷史地震活動類比及區域地震和前兆資料的異常變化等，對該震前的區域地震活動背景、震后的震情趨勢等有了較為細致的了解和判定。
  12. Wang xiaoqing and ma zongjin, 1990, deep crustal structure of north china seismic region, revealed by earthquake statistics and geopgysics data ( abstract ), international workshop on continental seismogenetic layer, april 27 - 30, beijing, china

    王曉青， 1992 ，華北地震區地震空間分佈與震源層構造特徵，大陸多震層研究，北京：地震出版社。
  13. Adopting this model, we analyze the seismic hazard near the chelungpu fault that generated the chi - chi ( jiji ) earthquake with magnitude 7. 6 and the following conclusions are reached. this model is reasonable on the base of focal mechanism, especially for sites near potential earthquakes with large magnitude ; the attitudes of potential rupture surfaces have great influence on the results of probabilistic seismic hazard analysis and seismic zoning

    結果表明：採用潛在地震破裂面源模型是合理的，因為它可以模擬地震破裂面與地震動影響場的三維展布特徵，尤其適用於較大震級地震的近場區域；潛在地震破裂面源的大小、產狀，對近震源場點的地震危險性分析和地震區劃結果有明顯的控制影響。
  14. Delineation of coastal region of south china - with matlab to create radial basis probabilistic neural network

    華南沿海潛在震源區劃分運用matlab徑向基概率神經網路工具箱求解
  15. In 2002, after full technology demonstration combined with digital map, the agile observation system was designed, and by mixed use of vibrator and explosive source, the high precision 3d exploration has accomplished to 120 square kilometers full - cover in this area

    2002年度，經過充分的技術論證，結合數字地圖，設計出了靈活的觀測系統，採用可控震源與炸藥震源混合使用的施工方法，在該區完成了滿覆蓋120平方千米的高精度三維地震勘探。
  16. By using the projective covering method and projective covering probability, fractal and multifractal dimensions of different types of landform sueface above are computed. results show that all the studied landform surface are not simple fractals, but multi - range scaling fractals, and the fractal dimensions increase with the landform type from basin to mid - low mountain and high mountain. nevertheless, different type landscapes perform different dq - q curve shapes. which the dq value has the widest range in the high mountain type, the second one is the mid - low mountain type, and then the basin type

    對不同時段地震形變場圖象多重分形特徵的研究表明，震源區及近震源區強震前垂直形變圖象都出現信息維降低，多重分形譜曲線dq變陡，值域范圍變寬的特徵，說明在強震前地殼垂直形變出現了局部化、不均勻性增強的行為，這些對地震預報都有重要的實際意義。
  17. The distribution of hypocenters shows that there are two major seismic active belts in the northwestern beijing

    震源位置分佈表明，北京西北地區存在兩條主要的地震活動斷裂帶。
  18. This project will promote the basic researches of seismology, especially the understanding of complexity of earthquake source process, as well as earthquake preparedness and disaster mitigation in beijing area

    這項計劃的執行對于地震學基礎研究，特別是探索地震震源過程的復雜性和首都地區的防震減災都有重要意義。
  19. Seventeen potential earthquake source areas were divided in the region according to the dividing principles and the signs of earthquake source areas

    根據劃分潛在震源區的原則和標志，在區域內共劃分出17個潛在震源區。
  20. By using the data of comprehensive mechanism solutions of small earthquakes and suing the signs of initial p wave recorded by seismic recording, the dynamic changes of stress field of small earthquakes occurred before four moderate - strong earthquakes in north china have been studied

    使用由地震記錄p波初至波符號求取的小震綜合機制解資料，分析研究了華北地區4次中強地震前震源區及其附近小震應力場的動態變化。
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