quaternary period 中文意思是什麼

quaternary period 解釋
第四紀
  • quaternary : adj 1 四個一組的；由四部份組成的；第四的。2 【化學】四元的；四價的；季的；【數學】四進制的。3 〈Q...
  • period : n 1 時代；期；時期；期間；階段。2 〈the period〉現代，當代。3 周期；【地質學；地理學】紀。4 終結...
  1. It suggests that gold accumulation occurred in the every main stage of geologic history of fujian from late - archaean era to quaternary period but the scale and the feature of the gold accumulation are different in different stage and yanshan metallogenic epoch is the most important period of mineralization of fujian gold deposits

    提出福建省內自晚太古代至第四紀的各個地質歷史發展的主要階段均有金的富集作用，但不同階段所形成的金富集規模及特徵明顯有別，燕山期為福建省金礦最重要的成礦期。
  2. Characteristic of quaternary period the earth crustal movement in sanjiang plain

    三江平原第四紀地殼運動特徵
  3. The changes of 14 assemblages reflect 11 paleoclimate evolutioinary stages in this area during the quaternary. in the cold period, the climate was dry and enviroment was deficient of water, therefore, the terrestrial pulmonata was dominant in the gastropod fauna

    本文對北京平原區第四紀軟體動物化石進行了初步的研究，建立了14個組合帶，反映了本區第四紀時期經歷了大約11個古氣候演變階段。
  4. In the warm period, the aquatic bivalvia was well - developed, and the gastropod fauna was obviously prosperous and characteristic by large amount of the aquatic species. the alternative appearance of both cold and the warm mollascan assemblage tpyes reflects the features of the quaternary climate changes in this area

    在冷期因氣候乾燥，環境中水量減少，腹足類化石以陸生肺螺類最為發育；在暖期水生雙殼類較為發育，腹足類群明顯繁盛，以水生種類的大量出現為特徵。
  5. The mechanical genesis of the complicated rock mass is because several times of tectonism in pro - period made the structure of rock mass in the right dam foundation damaged seriously and rock mass alteration made its mechanical character more anisotropy. after that the fractures in the right dam foundation slope were stretched at the beginning of the quaternary period because in the period yakouhoushan mountain quaquaversal dome was blowups quickly. at the same time, the valley trenching of lancang river reach to 800 - 1000 meter in altitude at the right bank in nuozadu dam site

    導致右岸巖體復雜化的成因是，右岸巖體在早期遭受了多期構造作用和巖體蝕變的基礎上，第四紀早期丫口後山穹隆的快速隆起與當時河谷下切至800m 1000m高程這一特殊因素組合引起了右岸巖體沿原有的斷裂（裂隙）張開，使地下水等風化營力能夠到達坡體較深部位，經過長期的風化卸荷作用，形成了右岸復雜巖體。
  6. Woolly mammoths died out during the late quaternary period.

    猛獁象在第四紀晚期滅絕了。
  7. The final epoch of the quaternary period, spanning the time from the end of the pleistocene, 10, 000 years ago to the present is the holocene epoch, also called the anthropogene, the age of humans

    四個一組的期間的最後的世紀，跨過時間從更新世的結尾， 10 ， 000年前對禮物是全新世紀的世紀，並且稱anthropogene ，人的年。
  8. Through research, the organic matter of source rocks in carboniferous - permian coal measure strata began first hydrocarbon - generating in mesozoic, and the first hydrocarbon - filling took place. but, because of yanshan movement later, the carboniferous - permian strata rose, as a result, the first hydrocarbon - generating and reservoir - forming paused ; in early tertiary period, because carboniferous - permian strata dipping forward east originally turned into dipping forward west, the prototype of faulted block began to form gradually ; by the end of sha - 3 period of early tertiary, the paleogeotherm of carboniferous - permian strata exceed the mesozoic ' s temperature again, and accordingly, abundant hydrocarbon was generated and expulsed secondly. the trap continued to develop ; from the end of late tertiary to quaternary, the second hydrocarbon - generating and expulsing got to its peak, and the second reservoir - forming was over

    研究表明，本區石炭?二疊紀烴源巖在中生代發生一次生烴和排烴，並有油氣充注，后因燕山運動導致地層抬升，一次生烴和成藏過程中止；在早第三紀，原來東傾的地層變為西傾，斷塊圈閉開始具雛形；至早第三紀沙二末期，石炭?二疊系的大部分地層古地溫再次超過中生代一次生烴的溫度，開始二次生烴和排烴，圈閉持續發育；晚第三紀末?第四紀，二次生烴、排烴達到高峰，二次成藏完成。
  9. So, river capture can be taken as the time and space scale of geomorphologic evolution in quaternary in csmasr it can represent the process of river head wards erosion, expand of lincheng period denudation surface and the broken of yangping period denudation surface

    認為河流襲奪是判斷地貌演進，即臨城期（第四紀）溯源侵蝕與仰平期剝夷面解體破碎的時空標尺，並據此探討了臨城期河流溯源侵蝕的時空格局。
  10. Based on the data of vector topographic map, the geomorphologic evolution stage of csmasp is studied with the aid of maplnfo and arc view. it is indicated that the research area is in the middle age and old age according to the davisan stage determine of geomorphologic evolution. the uplift and denuded amount in the period of neo - tectonics and the elevation of denudation surface of lincheng period ( mainly in quaternary ) are also discussed

    根據高程分析結果，認為魯中南山地主要處于流域地貌發育的壯年、晚年期，並對魯中南山地第四紀構造抬升量與侵蝕速率、各流域臨城期山麓剝夷面的分佈高度等相關問題進行了理論探討，從理論上證明了魯中期剝夷面難以存在。
  11. Since quaternary period, because of the rising of the daxinganling mountains and the yanshan mountains this area is the boundary of the geology, geomorphy and climates of the east and west china and north china and northeast china, and it is the sensitive area of the environmental change, too

    內蒙古克什克騰旗位於大興安嶺山脈和燕山余脈七老圖山脈的交匯處，第四紀以來，由於大興安嶺山脈和燕山山脈的隆升，本區又成為中國東西部和華北與東北地區地質地貌和氣候上的分界線，也是環境變化的敏感地區。
  12. The stratigraphy of heavy minerals and its significance in quaternary period, changzhou, jiangsu

    江蘇常州地區第四紀重礦物地層及其意義
  13. Therefore, the area is typical to study the environmental change of china, even of the globe since quaternary period, especially since the holocene epoch

    所以該地區是研究第四紀以來，特別是全新世以來中國及全球環境變化的典型地區。
  14. Abies yuanbaoshanensis having survived the quaternary period ice - age is significant not only to studying the occurrence and evolution of the chinese ancient south plant flora but also to the ancient climate and geography. especially, it has the scientific value of inquiring into the climate of the quaternary period ice - age and is called live fossil because it could provide the basis for studying the climatic change and the changes of plant

    元寶山冷杉是第四紀冰期倖存下來的瀕危物種，在廣西的發現，對于研究我國南方古代植物區系的發生和演變，以及古氣候、古地理有重要意義，特別是對第四紀冰期氣候的探討有學術價值，它是研究氣候變化和植物變遷的依據，是活化石。
  15. These strata of basin are made up of cretaceous period, tertiary period and quaternary period. tertiary period is the major sediment in the basin and the biggest thickness is up to five thousand meters. this thesis studies the petrology and characteristic of the diagenetic process of the reservoir

    盆地的沉積巖系主要由白堊系、上下第三系和第四系組成，下第三系是盆地中的主體沉積，最大厚度5000米，分為萬昌組、永吉組、奢嶺組、雙陽組。
  16. However according to analyzing the history of loess in the quaternary period and records about " rain dust " in ancient literature, it can be found that sand - dust storm often happened in ancient time, even more acute than today

    通過分析第四紀黃土生成歷史，以及古文獻中的大量關于「雨土」的記錄，可以發現其實沙塵暴古已有之，古代沙塵暴活動劇烈程度較今日有過之而無不及。
  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. Study on fully mechanized caving under porosity aquifer in quaternary period

    煤礦斜井架空人車自動控制裝置的試驗研究
  19. During the quaternary period, spanning the last 2 million years, major glaciations in polar regions affected global sea level, which fell to 120metres below present level, leaving the site of present - day hong kong as much as 130 kilometres from the coast

    長達200萬年的第四紀期間，全球海平面受到兩極地區幾次大冰期的影響，曾下降至現時海平面之下120米，當時的海岸線離開現時本港海岸達130公里。
  20. During the quaternary period, spanning the last two million years, major glaciations in polar regions affected global sea level, which fell to 120 metres below the present level, leaving the site of present - day hong kong as much as 130 kilometres from the coast

    在過去200萬年的第四紀期間，全球海平面受到兩極地區幾次大冰期的影響，曾下降至現有海平面下120米，當時香港的海岸線離開現有的達130公里。
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