geological time 中文意思是什麼

geological time 解釋
地質年代
  • geological : adj. 地質學的,地質的。 a geological survey 地質調查。adv. -ically
  • time : n 1 時,時間,時日,歲月。2 時候,時刻;期間;時節,季節;〈常pl 〉時期,年代,時代; 〈the time ...
  1. Landslide is a geological hazard with serious losses. it is very important to research the controling methods. slide - resistant pile, which has many advantages such as high adaptability, little interference to landslide and geological environment, short construction time, high silde resistance, is a main method to control landslide. pneumatic down - the - hole hammer is a drilling method with many advantages. its features, such as wide application range, high hole quality, no circulating medium, low operation regulations, and drilling big diameter rock hole, fit to construct slide - resistant pile. according to the requirement of silde - resistant pile construction, this paper analyses feasibility that pneumatic dth hammer drilling applies to construct slide - resistant pile on the basis of introducing the features of pneumatic dth hammer. then an applied example is given

    滑坡是一種危害極大的地質災害,它的整治方法研究具有重要意義.抗滑樁是一種適應性強、對滑坡穩定性和地質環境干擾小、工期短、抗滑能力強的滑坡整治方法.風動潛孔錘鉆進是一種具有許多優點的鉆進方法,它的許多特點,如成孔質量高、應用范圍廣、無液體循環介質、鉆進規程參數小、可實現大直徑基巖鉆孔等都適合於抗滑樁施工.文章在介紹風動潛孔錘鉆進特點的基礎上,根據抗滑樁施工要求,分析了風動潛孔錘用於抗滑樁施工的可行性,並舉出了其應用實例
  2. Continental drift is now believed to reflect the movement over geological time of underlying plates in the earth ' s crust - the theory of plate tectonics

    板塊構造學說提出后,大陸漂移說又獲得了新的含義,它反映了地殼運動和大州大洋的分佈規律。
  3. In the process of work, according to complex geological conditions such as huge thick soft clay in site and top surface of possible pile foundation supporting course fluctuating in large amplitude, we adopted many advanced exploratory methods ( just as high accuracy exploration of shallow earthquake, crosshole wave velocity test, vane shear test, pressuremeter test, etc. ), we found out that there is an ancient groove of yangzi river in former plant site, therefore we suggested in time that plant site should properly be moved eastwardly, only this item saved nearly about 50 million for pile foundation project cost

    在工作過程,根據廠址區軟粘土厚度大、可能作為樁基持力層頂面起伏變化大等復雜地質條件,採取了多種先進的勘探手段(如高精度淺層地震勘探、跨孔波速試驗、十字板剪切試驗、旁壓試驗等) ,查明了原廠址區存在一個長江古凹槽,並及時建議廠址適當東移,僅次一項就節省樁基工程費用近5000萬元。
  4. The giant geode may have formed at the same time as a geological event called the messinian salinity crisis

    這巨大晶洞也許是在視為稱作麥西那海岸鹽分危機地質學事件時期同一時間形成。
  5. Viewing from the global tectonics, the authors dynamically described the dialectical relationships between extensions and compressions in time special 4 - d, and pointed out the different tectonic deformation systems corresponding to different tectonic dynamical environments. considering the geological evolution of sichuan basin, from nine aspects, the authors proved that the tectonic dynamical environments of sichuan basin, after its formation, has experienced the early extension, middle transition and late compression environments. correspondingly, as the paper suggests, a considerable attention need to be paid to the comprehensive studies of the early extensional structures, middle inversion structures and the late compression structures of sichuan basin when analyzing its tectonics

    從全球構造著眼,動態地從時間-空間四維闡述了拉張-擠壓構造動力學環境的辯證關系,指出了不同構造動力學環境對應于不同的構造變形系統。結合四川盆地地質演化歷程,從9個方面論證了四川盆地自其形成以來,構造動力學環境曾經歷了早期拉張中期過渡晚期擠壓的過程,相應地在對四川盆地進行構造分析時,要注意早期伸展構造中期反轉構造晚期擠壓構造的識別和綜合研究。
  6. Due to complex and varied geological conditions for 4 headrace tunnels at zipingpu project, real time monitoring technique was used during informatization construction according to new austrian tunneling method, system observation for typical sections was conducted by following in - situ construction, based on which inverse analysis for rock mechanics parameters was conducted

    針對紫坪鋪工程4條引水發電隧洞復雜多變的地質條件,採用新奧法隧洞信息化施工中倡導的實時動態監測技術,跟蹤現場施工進行了典型斷面的系統觀測,在此基礎上進行了圍巖宏觀力學參數的反分析研究。
  7. We established geological and mathematic model for the relief of overthrust fault and earned out simulation computation after selecting factors. the result is that pressure can be released when fault is open. but ft will take a long time for the formation pressure to be relieved to normal formation pressure

    建立了逆掩斷層泄壓的地質模型和數學模型,選取參數后進行了模擬計算,結果表明逆掩斷層活動開啟釋放壓力,但要將地層壓力釋放到正常地層壓力需要時間較長,在斷裂活動時期不足以將圈閉中超壓釋放掉,這是庫車坳陷超壓能夠保存的另一主要原因。
  8. Fortunately, the modern geodetic measurements such as the global positioning system ( gps ) technique can overcome the shortage of the geological and seismographic methods in the time dimension ; and yet, the coverage of the geodetic survey stations is not sufficient. as a result, it is necessary to employ numerical simulation to investigate the continuous deformation of the crust

    而以全球定位系統( gps )等技術為主的大地測量方法彌補了地質和地震學方法在時間維上的不足,但大地測量方法存在測點覆蓋不足及測點地理分佈不均勻的缺點,因此,要得到連續的地殼形變場有必要藉助數值模擬方法。
  9. The characteristics of the movement and deformation of the crust were traditionally determined with the geological and seismographic methods. however, the result obtained with the geological and seismographic methods is virtually an average one on the time scale of millions and / or hundreds of years, and the current movement and deformation of the crust cannot be described well

    傳統上,一般用地質和地震學方法來確定地殼的運動和變形特徵,但二者確定的地殼形變結果分別是百千萬年和百年左右的平均結果,難以描述現今地殼運動和變形的特徵。
  10. The first and last appearances of particular fossil species represent specific moments in geological time

    第一個以及最後一個出現的特定化石物種代表了在地質時間中的特定一段時間。
  11. At the end of late pleitocene, influenced by the climate of glacier period, the last great event of the region in the geological time was taken place so that the migration and extinction of organism species were resulted, loess accumulation was generally developed throughout the whole region, in the holocene, the most important environmental change was fluvial process, which was still influnced by two factors - neotectonics and palaeoclimatic changes

    更新世晚期末,受末次冰期氣侯的影響,本區發生了地史時期的最後一次大事件,造成了物種遷移和絕滅,全區廣泛發育黃土堆積。進入全新世,本區環境變化以河流作用最為顯著,沉積物主要分佈在各大水系的河谷中,構成一、二級階地和近代河床與河漫灘堆積。
  12. Biochronology the measurement of geological time using biological events

    生物年代學:使用生物學事件來測量地質學時間。
  13. The introduction of geological time into our reasoning is of prime importance for petroleum exploration.

    對石油勘探而言,把地質時間引入我們的推論是最重要的。
  14. Punctuated equilibrium a theory of evolution proposing that there have been long periods of geological time, lasting for several million years, when there is little evolutionary change, punctuated by short periods of rapid speciation of less than 100 000 years

    間斷平衡論:一種進化學說,認為在很長的,持續數百萬年的地質年代里,只有很小的進化改變,被不到十萬年的物種快速形成的短期所打斷。
  15. The yanshan - liaoning area is called as the " cradle of geology ". it is the first time that the geologist, wen wenghao, has put forward the " yanshan movement " before 70 years. from then on the yanshan - liaoning area had been paying attention by the geologists all over the word because it lies in the particular tectonic background, has the complex structural features, structural units, and the geological history of evolution, particularly large - scale, multi - phrase tectonic movement and magmatic activity took place in the short geological time

    燕遼地區素有地質「搖籃」之稱,自翁文灝在70餘年前提出yenshanmovement (燕山運動)以來,它以其獨特的大地構造位置、復雜的構造特徵、組成及其演化過程,特別是該地區在很短的時間間隔內發生了大規模、多幕式構造?巖漿活動,更引起世界地學界的極大關注。
  16. Era a unit of the geological time scale that is made up of several periods, e. g. the mesozoic era comprises the triassic, jurassic, and cretaceous periods

    代:量度地質時期的分類單位,代由若干時期組成,如中生代包括三疊紀、侏羅紀和白堊紀。
  17. Holocene ( recent ) the present epoch in the geological time scale, being the second epoch of the quaternary period, dating from the end of the last glaciation, about 10000 years ago, to the present day

    全新世:在地質學上指第四紀的第二階段的整個時期,它終止於最後一個冰川期,距今大約10000年。
  18. As geological time is reckoned, man has so far existed only for a very short period one million years at the most

    按照地質年代來計算,人類到目前為止只存在了一個極短的時期? ?最多100萬年。
  19. Although the topography that we see seems to be permanent, it is, in terms of geological time, dynamic and only temporary

    縱使如今所見的地貌看似恆久不變,事實上地表卻展現著動態和短暫性的特質。
  20. 2. it is discovered by research on the ore deposit, ore bodies and ores that the zhulazaga deposit is formed in two stages with quite different geological structure environment and large geological time gap

    2 、通過對礦床、礦體、礦石的研究,發現朱拉扎嘎金礦是在地質構造環境差別較大,地質年代相距甚遠的兩個階段形成的。
分享友人