distribution in altitude 中文意思是什麼

distribution in altitude 解釋
按高度分佈
  • distribution : n 1 分配,分發,配給;分配裝置[系統];配給品;配給量;【經濟學】配給方法,配給過程;分紅;【法律...
  • in : adv 1 朝里,向內,在內。 A coat with a furry side in有皮裡子的外衣。 Come in please 請進來。 The ...
  • altitude : n. 1. 高,高度;海拔(高度)。2. 【天文學】地平緯度。3. 〈常 pl. 〉高處。4. 高位,高等。5. 【數學】頂垂線,高線。
  1. Seven plots selected from wanglang reserve were distributed in different types of forest and at different altitude, and different plot has different microclimate. soil property, microbial population, soil nutrient content of forest soil were determined in wanglang natural reserve, from may to october 2002 to july 2003, the ecological distribution of three main groups, bacteria, actinomycete and fungi were determined in the forest soils by the cell enumeration methods. six kinds of physiological groups, including ammoniation bacteria, nitrification bacteria, nitrosification bacteria, aerobic autogenesis azotobacter, aerobic cellulose - decomposing bacteria and anaerobic cellulose - decomposing bacteria were enumerated by the most - probable number ( mpn )

    2001年10月在王朗自然保護區內設立了3個定位研究樣地和4個臨時樣地,通過多次現場采樣與室內實驗分析,測定了白樺林、岷江冷杉林、紫果雲杉林、繡線菊-羊茅群落、羊茅群落及高山柳灌木叢等6種不同植物群落內土壤微生物三大類群數量、功能微生物數量、土壤養分,並在固定樣地內使用埋袋法進行了三個埋藏深度的凋落物分解袋試驗,初步研究了枝條、闊葉、針葉等凋落物組分在不同分解階段所含養分的動態變化。
  2. During the course of the research, the criterions of the interpolation effect are mean error ( me ), mean absolute error ( mae ), root mean squared interpolation error ( rmse ) and the difference of mean square deviation between the measured and the estimated surface air temperature. the conclusions are as follows : ( 1 ) by contrasting the gaussian weighted model associated with the error modification with the gaussian weighted model, the error modification is proved to considerably ameliorate the precision of spatial interpolation ; ( 2 ) on the base of the gaussian weighted model, taking altitudinal effect into account can reflect the trend in which temperature changes according to the topographic altitude and may ameliorate the precision of spatial interpolation correspondingly and apparently, which indicates that topographical effect on the preciseness of spatial interpolation can not be disregarded in terms of the region with complicated topography ; ( 3 ) the map of daily surface air temperature distribution, using the modified gaussian weighted model a and b, can accurately reflect the temperature - changing - with - topographical - altitude trend. among them, the better is the model a, whose me is below 0. 03 ?

    在此過程中,採用平均誤差( me ) ,平均絕對誤差( mae ) ,插值平均誤差平方的平方根( rootmeansquaredinterpolationerror ,簡稱rmsie ) ,插值前後測站要素值的均方差( meansquaredeviation ,簡稱msd )差值作為判定插值效果的標準,得出如下結論:通過高斯權重法與結合逐步訂正的高斯權重法的對比,說明結合逐步訂正方案的高斯權重法可大大提高地面日氣溫的插值精度;在高斯權重法中加入海拔影響項可以反映出溫度隨地形高度的變化趨勢,同時也能較大地提高地面日氣溫的空間插值精度,說明在地形復雜的區域,地形影響在插值精度中是不可忽略的;對于高斯權重法的兩種改進方案得到的地面日氣溫分布圖都能很好地反映出表面大氣氣溫隨地形高度的變化趨勢。
  3. A preliminary study on the species composition, ecological characteristics and present distribution of vegetations in mengyang area, the largest part of xishuangbanna nature reserve, shows that there are 7 vegetation types, 15 formations, 24 community types in this area. the vegetation map was made by using gis software ( arc / info ), and the area and distribution pattern of each community was obtained. the subtropical monsoon evergreen broad leaved forest occupies the largest part, with an area of 41. 26 % of the whole, and the tropical rain forest occupies less than 10 % of the whole area. according to the topography, altitude, climate characters and present distribution of the vegetation, and based on the landscape type map, an original vegetation map under natural conditions was obtained, which could provid a theory for the vegetation restoration, especially for the tropical rain forest and its habitat, and for the development of the nature reserve

    對西雙版納勐養自然保護區植被的類型進行了劃分,包括人工和自然群落,共有7個大類、 15個群系、 24個群落類型分佈.對每個類型的主要組成種類、生態特徵和分佈現狀進行了初步研究.利用地理信息系統軟體制取植被圖並獲得了各種植被類型的分佈面積和分佈格局特徵,這一地區亞熱帶季風常綠闊葉林的分佈面積和所佔比例最大,達總面積的41 . 26 % ;而熱帶雨林面積不超過總面積的10 % .依據地形、海拔、氣候和現狀植被分佈的規律,在獲得景觀類型圖的基礎上,得到了可以反映這一地區在完全自然條件下植被可能分佈的狀況的還原植被圖,為保護區的發展和植被的恢復提供了理論依據。
  4. In this dissertation, the author has covered such key points as follows : 1. modeling of fire distribution for all kinds of air defense weapons against low altitude targets ( including various anti - aircraft missiles against low altitude targets ) and taking into account the fire distribution against the cruise missile as a special air strike weapon for the first time ; 2. an overall analysis of the factors that have effect on threat degree and advantage degree as well as the fuzzy distribution of individual factors ; establishment of models for threat degree evaluation and advantage degree evaluation in fuzzy method in conjunction with fire distribution model in sort method, resulting in the materialization of a new fire distribution model, i. e., fuzzy sort model ; 3. modification of the definition of distribution line of target and realization of optimized fire distribution against the initial targets and the targets that await fire shift

    論文的主要內容包括: 1 )建立了各種陸軍低空防空武器(包括各種低空防空導彈)的火力分配模型;首次將巡航導彈作為一種特殊的空襲兵器,優先考慮了對它的分配。 2 )分析了威脅度和有利度的影響因素及各單因素的模糊分佈,建立了一種新的火力分配模型? ? 「模糊排序模型」 。 3 )修改了目標分配線的定義,實現了對射擊目標和轉火目標的優化分配。
  5. The altitude variation of the distribution of the different malus species in china reaches nearly 4000 meters, and they grow on various types of soil, even on desert, alkaline soil and on overhanging rocks and steep cliffs

    在我國,蘋果屬植物不同種類分佈的生境差異極大,生長的海拔范圍差異近4000米,能生長在各種不同類型的土壤上,甚至沙漠、鹽堿地到懸崖峭壁上都能生長。
  6. The result corrected by former result was to judge the land to be suitable for cultivation or not. in the end, productivity index threshold under different suitable - levels was determined by analyzing the frequency histograms distribution of 4 productivity index. the result shows that the productivity index criteria of reserved land in beijing is that altitude 800 m, slope 15, soil depth 30 cm and gravel content 15 %

    在生產性指標方面,以北京市土地開發復墾潛力調查評價為基礎,運用相關分析、主成分分析確定指標為海拔、坡度、土層厚度和礫石含量;對指標進行聚類,根據聚類結果對原有評價結果進行修正並判定后備土地資源的宜耕性;通過分析多因素綜合作用下四項指標的頻率分佈情況,確定上述四個生產性指標在不同宜耕等級下的閾值。
  7. In order to supply a basis for uniting the reference value standard of chinese old men s hematocrit, a research is made on the relationship between the reference value of chinese healthy old men s hematocrit and five geographical factors, which are determined by the way of wintrobe laws. it is found that altitude is the main factor affecting the reference value of chinese old men s hematocrit. as the altitude increases gradually, the reference value aslo increases gradually, and the correlation is quite obvious. applying the method of mathematical regression analysis, a regression equation is given. if geographical values are obtained in some area, the reference value of chinese old men s hematocrit of this area can be reckoned by regression equation. furthermore, according to the similarity of the reference value, taking the altitude as the main dividing basis and considering effects of other geographical factors and population distribution, china can be divided into six regions : qingzang, southwest, northwest, southeast, north and northeast region

    為制定中國老年男性紅細胞壓積參考值的統一標準提供科學依據,收集了中國各地用溫氏法測定的健康老年男性紅細胞壓積參考值,並對其與地理因素的關系進行了研究,發現海拔高度是影響老年男性紅細胞壓積參考值最主要的因素,隨著海拔高度的逐漸增大,老年男性紅細胞壓積參考值也在逐漸增大,相關性很顯著.用逐步回歸分析的方法推導出了一個回歸方程.如果知道了中國某地的地理因素,就可以用回歸方程估算這個地區的老年男性紅細胞壓積參考值.依據老年男性紅細胞壓積參考值與地理因素的依賴關系,把中國分為青藏區、西南區、西北區、東南區、華北區、東北區等6個區
  8. The study above shows that biodiversity variation of cerambycidae insects is mostly relative to vegetation types, and altitude gradient as well as season can influence their occurrence and distribution through changing the appearance of plant community and microenvironment in habitats such as temperature and humidity etc.

    上述研究表明,貓兒山天牛科昆蟲群落多樣性變化主要與植被類型有關,海拔和月份通過改變植物群落的外貌及生境中的小環境如溫度、濕度等影響天牛的發生及分佈。
  9. Fourteen typical profiles of different altitude on the south slope of the taibai peak of qinling mountaint, which is 3767 meters in altitude, were researched in this study. by field survey, the physical and chemical characteristics anasysis of the soils, we studied thoroughly the soil genetic, discussed the positions in taxonomic classification and the distribution of the soils on the basis of the keys to chinese soil taxonomy ( 3rd edition ), and to provide the foundation of soil taxonomy of mountain and resources development

    本研究以海拔3767m的秦嶺主峰太白山南坡不同海拔高度的14個典型土壤剖面為研究對象,通過野外調查、室內理化性質分析,研究了土壤的發生特性,以《中國土壤系統分類檢索(第三版) 》為依據,確定了其在系統分類中的地位和分佈界線。旨在為山地土壤系統分類和土壤資源開發利用提供依據。
  10. The main difference of the three sites ozone vertical distributions is as follows : both the maximum ozone partial pressure and its altitude are different ; the ozone concentration at 1016km height of lin an is much higher than that of kunming and hong kong ; there exists one high ozone concentration layer over the hong kong and kunming, but hong kong is more obvious ; in the upper troposphere there is no lower ozone distribution over lin an

    其主要不同點有,最大臭氧分壓和所處高度不同臨安1016km高度的臭氧濃度遠遠大於昆明與香港在對流層低層,香港有一特別突出的高臭氧濃度層,昆明次之臨安對流層的中上層沒有像昆明和香港出現的臭氧低值區現象。
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