相對覆蓋率 的英文怎麼說

中文拼音 [xiāngduì]
相對覆蓋率 英文
relative coverage ratio
  • : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
  • : Ⅰ動詞1 (回答) answer; reply 2 (對待; 對付) treat; cope with; counter 3 (朝; 向; 面對) be tr...
  • : 動詞1. [書面語] (蓋住) cover 2. [書面語] (底朝上翻過來; 歪倒) overturn; upset 3. 同 「復」 (Ⅱ1. 2. )
  • : 蓋名詞(姓氏) a surname
  • : 率名詞(比值) rate; ratio; proportion
  • 相對 : 1. (面對面) opposite; face to face 2. (非絕對的) relative 3. (比較的) relatively; comparatively
  • 覆蓋率 : coverage factor
  • 覆蓋 : 1 (遮蓋) cover; overlap 2 (植被) plant cover; vegetation3 (保護層 覆蓋物) cover; covering; ...
  1. They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem

    本研究以重慶市的南川金佛山(自然保護區) 、黔江武陵山(國家重點退耕還林示範縣,森林50以上)和北碚中梁山(遭人為破壞嚴重)典型巖溶區為象,選擇了幾種重要的利用方式,包括林地、果園、耕地、棄耕地和灌草坡,採用野外巖溶生態調查和室內試驗測量分析結合的方法,以不同土地利用方式巖溶土壤肥力為重點,不同土地利用方式土壤肥力特徵進行量化分析,找出巖溶土壤肥力差異的主要方面及其根本原因,論文主要從土壤剖面物理退化指標(有效土層厚度、有機質層厚度、質地、團聚體、水分含量等) ,化學肥力退化指標(有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等) ,樣地土壤微生物指標(細菌、真菌、放線菌數量及總量)以及樣地土壤種子庫植物群落多樣性等4個方面重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究,為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。
  2. Meanwhile, the study also shows that the diversity of studied cave animals is inversely proportional to human population density and water quality ; and bio - diversity, to some extent, is proportional to soil fertility and amount of chemical fertilizer, but inversely when excessive ; the correlativity between bio - diversity and vegetation cover rate is not obvious, when ground vegetation is strongly interfered by human being ; the amount of diestrammena marmorata is proportional to the d iversity of plant, and inversely proportional to soil fertility, and in a way, to water quality ; and the correlativity between community and water quality and soil fertility, and between water quality and the amount of mosquito and fly, is not as good as expected. the author points out that diestrammena marmorata, bat, mosquito, fly, oreolalaxrhohostig metus ( or cudata ), and fish can be chosen as in

    同時,研究還表明:調查洞穴的物種多樣性與人口密度、水質成負關;在一定范圍內,物種多樣性與化肥施用量、土壤肥力成正關,超過一定的值則成負關;在人類地表植被的高強度作用下,物種多樣性與植被關性不明顯;蚊蠅數量與土壤肥力基本上呈正關;斑灶馬數量與植物種數呈正關,斑灶馬數量與在一定水質范圍內與水質呈負關,與土壤肥力呈負關;群落數與水質和土壤肥力、蚊蠅數量與水質都不能表現較好的關性;研究認為,可以選擇斑灶馬、蝙蝠、蚊蠅、紅點囊蟾(或有尾類) 、魚類等作為指示動物洞穴環境進行監測。
  3. The cloud detection results are also compared with control masks that are created by visual inspections. in case the multi - day clear - sky composition is contaminated by cloud cover, it adds the chance of clear score failure. in case the multi - day clear - sky composition there is no snow cover, but in the same area at the image for detection there is snow, it also adds the chance of clear score failure

    用表觀反射gms5雲圖進行雲檢測,如果晴空合成圖某區域有雲,則易將被檢測的雲圖應區域的雲誤判成地表,如果某個區域的晴空合成圖沒有雪,而被檢測雲圖該區域有雪,則必將雪誤判成雲。
  4. The macro model of drift region resistance was established based on the solution of poisson ’ s equations and continuity equations. by the combination of spice mos ( level = 3 ) and the macro model, the complete dddmos model was then obtained, which accords well with simulated data. by simulating and comparing different devices of different process parameters, the model is applicable for different bias regions and can be useful in the power integrated circuit research in future

    首先介紹了器件建模的基本原理及關模擬技術,然後利用工藝模擬軟體生成器件基本結構,並其基本特性進行了分析;分析了業內和學術界比較通用的高壓器件建模的方法,隨后在模擬實驗的基礎上著重分析了dddmos的物理特性,在求解泊松方程、連續性方程等基本方程的基礎上,建立有物理意義的漂移區電阻的宏模型;隨后結合spicemos ( level = 3 )模型而得到完整的dddmos模型,此模型與模擬數據符合得比較好,通過不同工藝參數的器件進行模擬比較,該模型能夠不同的工作偏壓范圍,具有較明確的物理意義,今後的功集成電路的研發有一定的參考意義。
  5. According to the experimental data of droplet size 、 particle spectrum range 、 droplet cone shape 、 flow rate 、 cover area and cover area rate which obtained through changing the pressure of power sprayer and the nozzle diameter in greenhouse , this paper made comparative analysis on atomizing performance in same pressure and different nozzle type between same nozzle type and different pressure. the conclusion is that : the ejection rate and the droplet cone shape change with the variation of pressure and nozzle diameter , average particle diameter decreases obviously and particle quantity increases obviously with the increase of pressure and decrease of nozzle diameter. these results will lay experimental foundation for precise spraying 、 low pollution and highly effective operation

    本文根據溫室內動力噴霧機壓力與噴嘴孔徑的變化影響霧滴大小、粒譜范圍、霧錐形狀、流量、面積及面積的試驗數據,同壓力下不同噴嘴型號和同噴嘴型號時壓力不同時的微粒化性能進行比分析和研究,得到如下結論噴出量與霧錐形狀隨著壓力和噴嘴孔徑大小變化而變化;平均粒徑隨著壓力的增加和噴嘴孔徑的減小而明顯減小;粒數隨著壓力的增加和噴嘴孔徑的減小而明顯增多,為精噴量、低污染、高防效的防除作業奠定了實驗基礎。
  6. Two amelioration methods were presented in this paper optimized schemes for the choice of assistant nodes in the construction of the local coordinate system ( lcs ) and for the combination of lcss in the construction of network coordinate system ( ncs ). it can effectively reduce the communication cost in the construction courses of lcs and ncs with no influence on the localization coverage

    本文提出應的改進方法局部坐標系構建過程中輔助節點的優化選擇方法和全局坐標系構建過程中局部坐標系的優化合併策略,可在不影響原演算法定位的前提下,有效降低它在構建本地局部坐標系和合併構建網路全局坐標系這兩個主要過程中的通信開銷。
  7. This paper is based on the urban ecological principle and method, by analyzing and studying many key elements of the economic, social and ecological factors in beijing, explores the connection between the urban development and garden green land increased in beijing, summarize the development laws of the garden green land. this paper worked out, development of the garden green land in beijing dependence on upgrading of the industrial structure, afforestation invest, average gdp, policy, olympic games and their own ecological functions, etc. the remarkable change has taken place in the quantity and pattern of the garden green land in beijing. through analysizing the data in 1995 and 2000, the garden green land rose from 16577ha up to 21151ha, increased by 27. 6 %, urban green coverage rate rose from 32. 68 % up to 36. 34 %. especially, it developed rapidly in the public green land and the urban islolated green land, increased by 35. 6 % and 62. 3 % separately, and they have become the main components of garden green land in beij ing

    本文以城市生態學的原理和方法為基礎,通過北京的經濟、社會和生態因素內諸要素進行分析和研究,探索其與北京城市園林綠地發展之間的聯系,總結城市園林綠地的演變規律。本文研究得出,北京市園林綠地的發展與產業結構的升級、園林綠化投資、人均gdp 、政策、奧運會及其自身的生態功能等呈正關性。北京城市園林綠地的數量和格局也發生了顯著變化,從1995年和2000年的數據分析,北京城市園林綠地由16577ha上升到21151ha ,增長了27 . 6 ,城市綠化由32 . 68上升到36 . 34 。
  8. In view of the regression characteristic and the configuration maintenance demand of the regional coverage satellite constellation, the constellation configuration is optimized using the linear relations between the semi - major axis and inclination and the rates of change of the ascending node right ascension and phase, which enhance the long - term stability of the satellite constellation configuration, simultaneously the sub - stellar and the phase are controlled through changing the deviations of the semi - major axis and the inclination

    摘要針區域衛星星座的回歸特性和構型維持需求,利用軌道半長軸和傾角與升交點赤經漂移和位角漂移變化之間的線性關系來優化星座構型參數,提高衛星星座構型的長期穩定性,同時通過協同控制軌道半長軸和傾角漂移量來實現區域星座構型維持。
  9. Firstly, reviews and analyses the evolution and present situation of the medical care insurance of cities and towns workers ; secondly, analyses the objectivity which restricts the medical care insurance reform, and then finds a solution to breakthrough the bottleneck of social medical care insurance reform ; thirdly, analyses the evolution of medical care insurance reform of western countries objectively, so that we can make a strong argumentation why we should learn their successful experience to perfect our medical care insurance ; last, makes a serious investigation towards some major problems which needs to be solved during our present medical care insurance reform, such as perfect the system, enlarge the coverage of insurance in a high speed, promotes the medical and medicine administration system at the same time sets up a human ? oriented concept called “ equality priority and efficiency ” the thesis sticks to the basic principle of dialectical and historical materialism in investigation method, tries to adopt a series of methods, includes the followings : scientific abstraction, statistics, the combination of international comparison and internal analysis, etc. the thesis has already made some achievements after making a thorough study about the obstacle and policy of our national medical care insurance reform

    第三部分內容,客觀分析了西方國家醫療保險改革的路徑,並就我國城鎮職工醫療保險所應借鑒的有益經驗進行了論證。第四部分內容,我國現階段城鎮職工醫療保險改革實踐中需要解決的幾個主要問題,比如完善制度設計、快速推進保險的面、切實推行醫療醫藥管理體制的同步改革、樹立「公平優先兼顧效」的人本理念等問題,進行了認真的研究,提出了解決這些問題的途徑。本論文在研究方法上,堅持了辨證唯物論和歷史唯物論結合的基本原則,採用了科學抽象法、統計法、國際比較與國情分析結合等諸多的方法。
  10. Based on the first step, modeling and solving methods as the secondly step was use to com out the final result. second, in the problem of irs observing area target, the two intentions of maximal observing time and maximal observed area are conflicting

    在實際中,不同的情況下,空間與時間的需求也各不同:比如說封鎖搜索問題就要求優先滿足時間,而未知區域的觀測問題則需要首先滿足空間
  11. Analyses were made to relate infiltration rates with pam coverage and describe impacts of pam application on infiltration. experimental results showed that the soils treated with pam had better and stabile properties

    分析建立了降雨入滲與pam的間的關關系,確定了pam的降雨入滲的影響。
  12. In 6. 635, topics covered include : special relativity, electrodynamics of moving media, waves in dispersive media, microstrip integrated circuits, quantum optics, remote sensing, radiative transfer theory, scattering by rough surfaces, effective permittivities, random media, green ' s functions for planarly layered media, integral equations in electromagnetics, method of moments, time domain method of moments, em waves in periodic structures : photonic crystals and negative refraction

    本課程所的論題包括:狹義論、運動媒質的電動力學、色散媒質中的波、微帶集成電路、量子光學、遙感、輻射傳輸理論、粗糙表面上的散射、有效介電系數、隨機媒質、平面層狀媒質的格林函數、電磁學中的積分方程、矩量法、時域矩量法、周期結構中的電磁波:光子晶體和負折射
  13. The problem is researched and the algorithm which calculates the intersection points of two graphs created by the same coefficient of the ifs is proposed. the curve described changing of the intersection points number is drawn. the conc lusion is that the curve fluctuates in the tiny range and is smooth when it is seen as a whole

    其次,針同一ifs迭代碼兩次迭代繪制得到的分形圖並非完全同這一問題展開研究,提出了ifs分形交交點變化曲線的概念,給出了交交點變化曲線的繪制演算法,在此基礎上進一步研究了分形交交點變化曲線的變化情況,得到了分形交交點變化曲線宏觀上比較光滑,但實際上小范圍內異常波動的實驗結果。
  14. 2 ) radar incidence angle and surface roughness correction : to make radar incidence correction and eliminate the surface roughness effects, a wide range of surface parameters ( soil moisture, surface rms height, correlation length, incidence angle ) was input to the ibm model to simulate the effect of surface roughness and radar incidence angle on the sensitivity of soil moisture to the radar backscattering coefficient. a simple model was established to simulate the effects of incidence angle and surface roughness. 3 ) establishment of soil moisture change inversion model : according to a modified ibm model simulation results, the bare surface backscattering coefficients can be expressed as a funtion of the dielectric component for a given surface roughness when the surface slope greater than 2. 0, which is valid for most nature surface : in above equation, r0 is the surface reflectivity at normal incidence

    本研究中,首先利用基於微波輻射傳輸方程的微波植被模型和積分方程( iem )模型模擬了各種地表土壤水分含量情況下,植被、地表粗糙度(包括地表均方根高度和關長度) 、雷達入射角c波段(頻4 . 7ghz )水平極化( hh )雷達後向散射系數的影響,在此基礎上,建立模型消除了植被、地表粗糙度、及雷達入射角雷達後向散射的影響,利用多時50m解析度radarsatscansar雷達後向散射系數圖像反演得到了地表土壤水分變化模式信息。
  15. During this paper, definition of the measure enter - cover - probability is given, andthree - dimension detection space are transformed to level detection circles on differentheights. aiming at the most normal situation of symmetric line, cross - to line and cross - awayline taken by the carrier, probablely - enter - cover - target - distribution are analysed in relativemovement method on the premise that targets fly perpendicular to the flying direction of thecarrier. mont - cario method is used to simulate uniformly - distributed - targets situation and getthe measure, and results are used to analyse the influence of line - landscape - orientation - ratio, line - portrait - ratio, and speed - ratio on the measure. for further research, influences of height and blind space are also discussed on base ofradar level detection range, and situations of non - uniformly - distributed targets are alsoresearched

    為了分析主動探測空間動態性能,本文首先提出以「目標進入雷達區概」 (簡稱為「」 )作為評價指標;然後將三維探測空間轉換為不同高度層應的水平探測圓,針載機採用雙平行航線、交叉向航線和交叉同向航線的最一般情形,採用運動的方法,分析目標垂直入侵時可能進入雷達區的目標分佈情況;再運用蒙特卡洛法進行模擬計算,分析並比較目標服從均勻分佈時航線橫比、航線縱比及速度比性能的影響。
  16. The article relates that the tool ' s measurement precision has been improved by applying cycling acquisition method, self calibration function and phase - sensitive detector. the image coverage rate is improved and reached to 60 percent by increasing the number of pad ' s buttons. the tool carried out two logging functions : fast - scanner mode and dip mode

    本文敘述了採用循環採集法、自刻度功能、敏檢波等方法提高了儀器的測量精度;通過增加極板電扣的數量將圖像提高到60 ;實現了快掃描、傾角兩種測井模式;將測斜短節與預處理短節合二為一,縮短了儀器長度;去除了零伺服控制系統,簡化了電路;用fpga晶元採集控制器重新設計。
  17. Only few analog tv channels are there in country areas and what more the covering range of the analog transmitters is smaller than that of digital transmitters which though with the same power, which result in that the covering site of broadcasting signals is always the urban areas while people who live in the remote areas receive no tv program signals, and as the essential parts of utilities for our party and governments to expressing its administration conception, broadcasting in suburban areas by far cannot give the government the ability to give publicity to the people effectively

    農村廣播電視的工作,長期以來一直是我們廣播事業建設的薄弱環節。模擬電視節目套數很少,而且同等功的模擬發射機范圍也數字發射機的小,通常只是集中主要城鎮和人口聚集地,偏遠地區的廣大群眾長期不能收看電視。廣播電視作為黨和政府喉舌的功能,沒有得以充分發揮。
  18. This paper is based on rs and gis, analyses the characteristics of luc of three periods in daqing city, discusses the traits of lucc of different periods, and discusses the driving forces from two aspects - nature factor and social factor, and forecasts the future land use pattern, points out the focus of land use continuable development. this research includes three significant problems, they are : the gaining of the lucc data in daqing area, the translation of land use pattern and its driving forces research, forecasts of the future land use pattern research. in the process of the study, we obtain the data that we need through manpower estimation and interpretation based on gis, then put the results into software envi, reclassify land use types using masking technology and decision tree

    本次論文以黑龍江省大慶市為研究象,基於遙感和gis平臺,提取了1979年、 1990年、 2001年區域土地利用/土地數據,分析了研究區三個時期的土地利用/土地特徵,利用單一土地利用動態度、綜合土地利用動態度、土地利用變化等參數模型從土地資源數量、土地利用程度及土地利用區域差異等方面,探討了不同時期區域土地利用/演化的特點,並從自然因素和人文因素兩個角度探討了區域lucc驅動力,最後利用馬爾科夫鏈模型區域土地利用格局的發展趨勢進行了預測研究,提出了區域土地利用可持續發展的重點,為轉型時期的大慶市土地利用決策提供參考。
  19. According to natural conditions of the area, natural rules and systematic engineering principle, a series of countermeasures were propased such as improving forest cover degree, enhancing water conservancy project, adjusting agricultural production constitution, combining engineering measures with ecological measures to restore mine ecosystem and to take comprehensive measures to control soil erosion so as to improve ecological environmental quality in watershed between the yangtze river and the huaihe river

    研究區域的自然環境條件和社會經濟狀況,按照系統工程的原理,從遵守自然規律的角度出發提出了提高森林,加強水利工程建設,改良土壤,因地制宜調整農業產業結構,工程措施與生物措施結合進行礦山修復,治理水土流失,搞好生態環境保護規劃,大力發展生態旅遊,提高公眾的環境意識,依靠科技進步促進地方經濟發展的一系列改善江淮分水嶺地區生態環境問題的策。
  20. The author proposes a number of different modes of absorption and reports their relative surface coverages.

    作者提出了一些不同的吸附模式,並報道了其的表面
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