極地分佈 的英文怎麼說

中文拼音 [defēn]
極地分佈 英文
biopolarity
  • : i 名詞1 (頂點; 盡頭) the utmost point; extreme 2 (地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • 極地 : [地理學] polar region極地冰 [海洋學] polar ice; polar cap ice;極地冰川 [水文] polar glacier;極地...
  1. So these karst series problems are lowness ability of making soils, distributing odds of surface water and groundwater, leakiness of fountain, alkalescence of circumstance, lowness of bio - diversity, rapidness converse succession of vegetation and fragility of soil character and entironment. and karst region produces many problems, e. g. rock desert, soil erosion and degeneration because of artificial influence and destruction

    巖溶空間介質具有下雙層結構,可溶巖造壤能力低,巖溶水空間不均、下水關系密切、水源易漏失,偏堿性環境、生物資源集聚程度低,植被逆向演替快、順向演替難,巖溶質與生態環境十脆弱,受到人為因素的影響和破壞,易產生石漠化、土壤侵蝕與退化等一系列問題。
  2. Source and distribution of biogenic matter in sediments at station of chukchi sea area

    楚科奇海區沉積物生源物質的來源和
  3. There is a vast area covered continuoursly by carbonite in southwest china, where it is very rich for groundwater resources and exists large zones lack of water and regions of desert rock because of the uneven distribution of groundwater

    摘要中國西南區碳酸鹽巖大面積連片下水資源總量豐富,但不均一,存在大片乾旱缺水區和石漠化帶。
  4. Bat is the general designation of chiroptera animals. it is a kind of breast - feed mammal which most extensively distributed and most successfullly evolving. bats distribute in all kinds of land ecology enviroments in the world expect the south pole, the north pole and some remote islands which are in oceans

    蝙蝠是翼手目( chiroptera )動物的統稱,是世界上最廣、進化最成功的哺乳動物類群之一,除南北以及大洋中過于偏遠的荒島外,球上各種陸生態環境都有蝙蝠的
  5. Sichuan is one of the agricultural province, locates in the area between the continental climate and oceanic climate, the distribution of precipitation is always disproportional due to the influence of atmosphere circumfluence, the existence of drought and floodwater plus water pollution have produced huge menace to agriculture, water resources utilization, soil erosion and even the life and properties of human being

    解決水資源的諸多問題,是擺在全黨、全社會和全國人民面前一項刻不容緩的重大戰略任務。四川作為貧水國的一個農業大省,由於處海洋性氣候與大陸性氣候交接帶,受大氣環流影響,降水時空不均,水旱災害為頻繁,尤其是乾旱對農業生產的威脅最大。
  6. The current chinese foundation design code gbj7 - 89 use limit equilibrium theoiy with elastic soil stress distribution to give out bearing capacity design value calculating fonnula and use elastic soil model to evaluate foundation settlement. according to the above theories, code gbj7 - 89 gives the correlative terms. but these do not accord with the practical mechanism of loaded soil below the shallow foundation and the elastoplastic property of natural soil so defects exist

    我國現行規范gbj7 - 89將這兩者開考慮,其計算基承載力設計值的公式是根據彈性基中應力及土的限平衡狀態理論為依據而得出的,求基的沉降變形時則視土體為彈性,這些理論對基及土的假設與淺基礎基的實際工作狀態及天然土體的非線性、彈塑性存在一定的偏差。
  7. At first, analysis of extreme temperature ' s spatial distribution of variety trend shows that the minimum temperature in the north are going up while the maximal temperature in east china declining widely, which is a numerical characteristics of prevailing warmer - winter in recent years. so the change of minimum and maximal temperature are dissymmetrical

    首先從總體上,端最高和端最低溫度變化趨勢的空間:北方端最低溫度普遍上升,且幅度較大,是近年來暖冬盛行的一個數值化特徵;端最高溫度在東部普遍下降,最低最高溫度變化具有不對稱性。
  8. Results show that the spatial distribution of the precipitation of the west is very uneven and obviously different in every quarter ; the characteristics of precipitation is droughty and less - rain in almost all part in winter. plentiful in summer, spring and autumn are transition phases, rainfall of autumn is more than that of spring in the most of region ; relative variability of each season rainfall is bigger than that of year, the variability is biggest in winter, but smallest in summer. alike between spring and autnmn and comprative in numerical value ; the area of least precipitation is in talimu basin and the northwest of chaidamubasin, not in the northwest of china

    研究發現:西部區年降水量的空間不均勻,局差異大;冬季絕大部區乾旱少雨,夏季雨量豐沛,春秋季是過渡階段,大部區秋雨多於春雨;各季降水量的相對變率大於年變率,夏季最小,冬季最大,春秋兩季相似,數值上與冬季相差無幾;我國雨量最少的區位於柴達木盆西北部和塔里木盆,並不在我國的最西北角。
  9. In spatial distribution, coal fields are developed in the anomalies of high chargeability sedimentary areas ; metamorphic iron deposits occur in the anomalies of high chargeability metamorphic areas ; endogenic gold deposits are found in the anomalies of high chargeability igneous areas

    空間上,與沈積作用密切相關的煤礦主要在沈積巖高化率區,變質鐵礦主要在變質巖高化率區,內生金礦則主要在火成巖高化率區。
  10. The first one : fitting together ultimate values of every dimensions in one dimension - chain one by one, educing many equations by itself, calculating results, and comparing these results of close dimension to find maximal and minimal values. the second one : projecting all dimensions on two preestablished axis, then providing the solutions to analyze whether every projected dimensions is increscent or decreasing, and synthesize the effect of every projected dimensions to close dimension, educing many equations by itself, at last calculating the result of close dimension. the third one : according to monte carlo analysis, getting every dimensions " values from every dimensions " tolerances at random time after time, simulating the actual circumstances of mass production using these dimensions, and calculating reasonable results of close dimension economically

    鑒于這類系統在各大中小型企業的廣泛應用與相對滯后的研究水平,本文提出了三種新的能切實解決目前尺寸鏈計算機輔助析解算中存在的各種難題的設計方案,第一種方案將尺寸鏈中各組成環能取的值組合起來,自動列方程組,求解每個組合情況下的封閉環尺寸,最後比較這些結果,得出封閉環的最大最小值;第二種方案將尺寸鏈各組成環向預先設定好的兩個方向投影,之後再析各尺寸環投影量的增減性,並且提供了組成環兩個方向上的投影量增減性不一的復雜情況下的解決辦法,綜合組成環各投影量的增減性,然後自動列出方程組,最後根據各組成環的投影量以及所列的方程組來確定尺寸鏈封閉環的尺寸;第三種方案以蒙特卡洛法為原理,在尺寸鏈各組成環的取值范圍內使用計算機產生大量隨機數,模擬實際大批量生產中的零件尺寸情況,以更經濟更合理的方式析、計算封閉環尺寸。
  11. It ' s a kind of dead soft - rock with some special characteristics of muddiness, softenness, dehydrate and rift etc when it meet water. however, the articles about the socketed piles in this stratum had not been discovered

    昔格達組泥巖在四川境內的西昌、攀枝花較為廣泛,該巖層具有遇水泥化、軟化和脫水開裂等特徵,屬軟巖類。
  12. Sophora alopecuroides mainly distributes in the desert regions of northwest china as a highly adversity - resistant perennial officinal plant

    摘要苦豆子主要在我國西北沙漠區,是一種抗逆性強的豆科多年生藥用植物。
  13. The algorithm, basing on convolution filtering technique and the fringes " gray values max - min distribution, can automatically and accurately carry out space frequency spectra shifting without spectra analysis and spectrogram in the technique of phase method of projected grating for 3 - d object shapes measurement. the new algorithm makes image processing much caster and the technique of object shapes measurement more automated. the phase error caused by filtering and the crossed - optical - axes geometry setup is also discussed

    本文採用投影光棚相位法和數字卷積濾波技術:根據柵線的條紋灰度值具有的特性,提出卷積濾波形貌光學自動檢測的圖像處理方法,有效實現了頻譜自動移位,從而進一步提高了圖像處理的速度和形貌測量技術的自動化程度;同時對採用兩光學主軸相交,且非遠心投影系統所產生的誤差進行了析,並提出了修正方法。
  14. The surface panel method has been applied to predict the hydrodynamic performance of highly skewed propeller. the surface of propeller and its trailing vortex are discreted by a number of small hyperboloidal quadrilateral panels with constant source and doublet distribution. for highly skewed propeller, the conventional method generating grid oriented along constant radii will result in a high aspect ratio and a high skewness and a twist panel near the propeller tip on blade surface, which result easily in incorrect calculation results of velovity on blade surface, even in iteration divergence and calculation failure. a “ non - conventional grid ” is developed to acoid these problems. this grid can effectively solve the problem of the calculation and convergence for highly skewed propeller. the non - linear kutta condition of equal pressure on upper and lower at the trailing edge is executed by the iterative procedure. by sample calculating, the obtained results are satisfied the experimental data

    採用面元法預報大側斜螺旋槳水動力性能,螺旋槳表面及尾渦面離散為四邊形雙曲面元,每個面元上布置等強度源匯和偶.對于大側斜螺旋槳而言,槳葉表面採用常規的等半徑網格劃方法在近葉梢處將導致大展弦比、大側斜和扭曲面元,這容易使槳葉表面速度的計算結果不正確,甚至會導致迭代過程發散及計算失敗.文中建立了一種「非常規網格」劃方法,能有效解決大側斜螺旋槳的計算和收斂問題.槳葉隨邊處通過迭代實現非線性等壓庫塔條件
  15. Jade polished 1920s, the head very adequate, exquisite natural color that comes moving, yellow - green and black which cleverly distribution, but also doubled its value, a very rare one need du - furnishing articles

    玉質細膩瑩潤,水頭足,色澤精美自然,美艷動人,黃綠色以及黑色巧妙其中,更令其身價倍增,十難得的一款品獨玉擺件。
  16. His hussars were scattered in couples about the outposts ; he himself rode about the line of the outposts trying to struggle against the sleepiness which kept overcoming him

    他的驃騎兵成對在這條散兵線上他本人沿著散兵線來回騎行,克服難以克服的睡意。
  17. Abundant and various reefs with conspicuous physical properties and high reserves have widely developed in western qaidam basin

    摘要柴西區發育了儲集物性好、較為廣泛、儲量較高的生物礁儲層。
  18. So it can avoid risk of model and computer rightly the var of extreme event. this article presents the theory of extreme value and character of tail of distribution and gives the example of var with index of shanghai stock market by evt, then compares the var result of different computation methods and concludes that traditional var method is static state model and var with evt is dynamic conservative model and has the ability of forecasting risk out of sample comparing to historical simulation method

    本文系統闡述了值理論和特徵,以上證指數為例,將值理論應用於風險價值的計算,並將應用結果與傳統var方法計算的結果進行了比較析,最後得出結論:傳統的var計算模型是靜態的模型,應用值理論計算var的模型是動態的、相對保守的模型;與歷史模擬法相比較,值理論具有超越樣本的預測能力。
  19. Ice - sea clay hir conditioner ice - sea clay contains may kinds of mineral and alimentation, can equably distributing on hair, form protective film, repair damaged hair, supply losing alimentation, it ` s very effective for the damaged hair by dye and marcel, and changing hair at all, leave you beautiful hair

    產品介紹:冰海泥中蘊含多種有益礦物質和養份,可以為均勻在發絲各處,形成保護膜,修復受損發絲,供給流失養份,對因漂,染,電,燙嚴重受損的發質特別有效,從根本改變發質,讓秀發亮麗如花
  20. The wide distribution of this fox in the severe arctic environment is due to its excellent adaptation to cold and to a wide variety of foods

    由於北狐對寒冷有好的適應力,並且該區存在著多種食物來源,因而它們能夠廣泛在環境嚴峻的北區。
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