震前的 的英文怎麼說
中文拼音 [zhènqiánde]
震前的
英文
preseismic-
The "pre-seismic anomalous activity" is a relatively short burst.
「震前異常活動」是一種比較短暫的突發事件。The classical frequency - domain theory forms a basis of bridge vibration analysis, however such method has some limitations. some literatures show that the time - domain analysis method has advantages for vibration analysis. because of the research on time - domain vibration analysis developed only in recent years and the theory is n ' t perfect enough, it needs to be made further investigation
經典的簡化靜力法存在一定的局限性;反應譜法為中、小跨橋梁的抗震設計提供了廣泛的應用,但對解決大跨度橋梁的線性與非線性問題存在明顯不足;時程分析法由於該領域的研究起步較晚,目前的理論和方法還不甚成熟,有待于進一步深入研究。For many of the tsunamis ' victims who lived close to the quake ' s epicentre, off the north - west tip of indonesia, there would have been little possibility of any advance warning
對于許多在靠近地震震中的印尼西北邊陲居住的海嘯倖存者來說,那裡是不可能會有什麼事前警告的。The pre - seismic and post - seismic stress direction can be statistically determined by a large collection of foreshock and aftershock focal mechanism data while the stress drop can be determined through the source fracture inversion from seismic wave data or crust deformation data
地震前後的應力方向可根據大量前震和餘震震源機制統計給出;地震應力降可通過地震波或地殼形變資料的震源破裂反演研究得到。“ the fact is that many main shocks do not occur " suddenly " : 10 - 30 % of them are preceded by foreshocks during the week before their occurrence ; some are preceded by year - long pre - activity9 ; some are preceded by increased moment release during the years before them10 - 14, and some are preceded by seismic quiescence15 - 17
「事實是,許多主震並非『突然』發生主震中的10 - 30 %之前在發震之前的一周有前震;有的主震前有長達一年的震前活動性34 ;有的在震前有數年的加大的瞬間釋放3536373839 ,有的則在震前出現地震活動性的靜止404142 。The measurement of earth tilt is an important method of studying earth crust deformation and its earth tide, which means much to geodynamics and the observation of earthquake prognostic
地傾斜測量是研究地殼形變及其固體潮的一種重要手段,它對地球動力學研究和地震前兆觀測都具有重要意義。Nasb : " now it shall come about when he sits on the throne of his kingdom, he shall write for himself a copy of this law on a scroll in the presence of the levitical priests
呂震中本:將來他登了國位,就要從祭司利未人面前的原本、為自己用一卷錄寫這律法的抄本。Between the infantry and the cavalry the artillery, in a long line of polished, shining cannons quivering on their carriages, crawled slowly by with their heavy, brazen sound, and their peculiar smell from the linstocks, and ranged themselves in their places
時而可以看見炮隊拉長了距離,一門門擦得閃閃發亮的大炮在炮架上顫動著,可以聽見銅件震動的響聲,可以聞見點火桿散發的氣味,炮隊在步兵和騎兵之間爬行前進,在指定的地點拉開距離停下來。Migration of the seismic activity is found before a big event.
發現了大震前地震活動性的遷移。The realization of batch downloading and conversion program based on odbc for seismic precursory data
的地震前兆數據批量卸出與轉換程序的實現Characteristics of geomagnetic precursory anomalies before the moderately strong earthquake in north china
華北北部幾次中強地震前的地磁前兆特徵The shape and geometry of inclusion is an important factor which affects the precursory seismicity pattern
包體的形狀和幾何位置是影響強震前兆地震活動圖像形態的重要因素。Agitated activity by certain animals may be a sign of an impending earthquake.
某些動物煩躁不安可能是地震臨震前的預兆。These anomalies might be due to the temperature variation of subsurface fluid that caused by transmission of long cycle waves through upper mantle or asthenosphere before the earthquake
水溫異常出現的原因可能是由於地震前的長周期波通過上地幔或軟流層傳播,間接地導致了地下流體溫度發生了微小的變化。The figure of daily mean value in resent year showed : the medium term anomaly with impulse jumps appeared 11 months before the event, and the maximum of anomaly was 84 times of the normal rising rate ; the short term anomaly appeared 4 - 1 month before the event, and the maximum of anomaly was 274 times of normal mean fluctuation ; the imminent anomaly appeared 9 days before the event, and the maximum of anomaly was 2. 5 times of normal mean fluctuation
年日均值圖顯示,中期異常出現在震前11個月左右,表現為脈沖式向上突跳及階躍式上升,最大異常量為日均正常上升速率的84倍;中短期異常出現在震前4個月和1個月,最大異常量為正常日均波動值的274倍;臨震異常出現在震前的第9天,震前25小時達到最高值,最大異常量為正常日均波動值的2 . 5倍。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。Abstract : concepts of probability importance and probability sensitivity of sectional constraints of rc frame structure are put forward and studied in this paper, and their calculation methods are given based on the failure correlation and the achievements on reliability of structural system under minor and strong environment hazard respectively. the conclusions of this paper provide a scientific basis for the disaster - resistant maintenance strategy before and after earthquakes, enhancing the reliability of decision - making for the strengthening of existing structure
文摘:探討了鋼筋混凝土框架結構截面約束的概率重要度及概率靈敏度概念,利用失效相關性及結構體系可靠度方面的研究成果,給出了鋼筋混凝土框架結構中各個截面效應約束分別在弱災害和強災害環境下的概率靈敏度與概率重要度的計算方法,所得結論可以為在役結構在地震前的預防性維修加固決策及震后結構的維修加固決策提供科學依據,從而提高了在役結構加固決策的可靠性On the above - mentioned basis, the analysis was made entirely for the evolution of short - term patterns of underground water before m55. 0 shocks which took place since 1985 in north china, so the discriminative criteria of anomaly zones and the characteristics of spatial evolution of short - term precursors of underground water level before strong shocks in north china was established
在此基礎上,對1985年以來華北地區5級以上地震前的地下水位短期圖像演化情況做了全面分析,提取出了判別異常區的指標以及地震短期異常區的演化特徵,並最終建立了華北地區強震前地下水位短期前兆的判別標志。It is discovered, from the analysis of the seismic reaction of the piled jetties with rubber shock absorption seats, that the use of shock absorption seats will help improve the seismic resistance of piled jetties and the use of shock absorption seats will may reduce the maximum bending moment of the fixed end on a pile head to one third of that before the method for reduction of seismic hazards is adopted
通過對現有高樁碼頭結構導入減震橡膠支座后的地震反應分析發現,減震支座的導入將有利於提高高樁碼頭的抗震能力,使樁上部固定端處的最大彎矩減小到未減震前的1 / 3 。The anomalous seismic activities before four moderately strong earthquakes occurred in the northwestern and southwestern china in recent years are studied by the two methods
用這兩種方法研究了近年來發生在中國大陸西北和西南地區的4次中強地震前的地震活動異常特徵。分享友人