覆蓋變量 的英文怎麼說

中文拼音 [fùgěbiànliáng]
覆蓋變量 英文
overlaying variable
  • 覆 : 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 : 蓋名詞（姓氏） a surname
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 覆蓋 : 1 （遮蓋） cover; overlap 2 （植被） plant cover; vegetation3 （保護層 覆蓋物） cover; covering; ...
  1. To lily flower of high quality characteristic production in qingyang carry through plastic pellicle mantle and maize straw pole mantle in live through the winter, analysis soil water resume, ground temperature change character and different mantle material water, heat resource to the effect of upgrowth period, growth measure and output inscape of lily flower

    摘要通過對慶陽優質特色產品黃花菜越冬期進行地膜覆蓋和玉米秸稈覆蓋，分析越冬期土壤水分損耗、早春地溫變化特徵，以及不同覆蓋材料水、熱資源對黃花菜發育期、生長量、產量構成要素的影響。
  2. Not only are you short - changing your court coverage when your penultimate step works inefficiently ( 2d above ), but your momentum gets re - directed away from the ball, 2f

    不僅你的倒數第2步低效（ 2d ）使得你對場地的覆蓋面變小，並且你的沖量改向飛離網球， 2f
  3. The experiment was conducted to determine the influence of different regulation and control methods of soil moisture, such as plastic film mulching, covering grass under trees, growing grass under trees, irrigating regularly, loosening the soil under trees, on quality of fruit in a non - public nuisance crisp pear garden in the area of old course of yellow river

    摘要以45年生酥梨樹為試材，分析測定塑料薄膜覆蓋、樹盤覆草、自然生草、定期灌水、清耕等不同土壤水分管理措施對土壤水分和酥梨品質的影響，結果表明：塑料薄膜覆蓋和樹盤覆草處理中，土壤含水率比較適宜，且變幅較小，有利於果實生長發育和提早著色，提早成熟，產量和品質較好；其它處理中土壤含水率要麼過高，要麼過低，且變幅較大，酥梨的果實品質也比較差。
  4. 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。
  5. V ) occupying space and covering ground should be served as the main strategy in early stage of vegetation restoration, which would enable the community coverage to rehabilitate rapidly. in mid - stage, due to the change of light environment and the species substitution, component adjustment should be chose as the main strategy

    5 ）植被恢復的策略是早期階段以搶占空間、覆蓋地面的對策為主，群落蓋度恢復很快;中期階段，林內光照環境改變，物種替代，恢復對策以物種組成成分的調整為主;後期則是生物量積累與組成結構調整並重。
  6. 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、覆蓋面積及覆蓋面積率的試驗數據，對相同壓力下不同噴嘴型號和相同噴嘴型號時壓力不同時的微粒化性能進行對比分析和研究，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。
  7. Ieee trans. computers, may 1992, 41 : 654 - 659. 18 fallah f, devadas s, keutzer k. occom - efficient computation of observability - based code coverage metrics for functional verification

    該方法採用變量的賦值和引用作為可觀測性分析的基礎，可以很容易地與其它考慮可控制性的覆蓋準則相結合。
  8. With regard to its field drilling applications in the geologically loose sandy pebble layers, kl vegetable - gum drilling fluid showed itself with excellent rheological behaviours in its abilities of lubrication, lost circulation, suspension and removal of debris, anti - shear shinning, and high coring rates, which satisfactorily meet the demands of geological boring in the dam foundation of huangjin ping hydroelectrical power plant

    通過在黃金坪水電站壩基深厚砂卵石覆蓋層鉆探取芯的現場試驗，證明了kl植物膠沖洗液具有優良的流變特性，潤滑、堵漏、懸浮排除巖屑和抗剪切稀釋能力顯著，可實現高取芯率，能很好的滿足地質鉆探對取芯質量的要求。
  9. Moreover, evapotranspiration consumes mainly net radiation on a clear day and sensible heat flux is greater than latent heat flux on a cloudy day above spring wheat field

    在有植被覆蓋或裸地下墊面，晴天、陰天的凈輻射、潛熱、感熱及土壤熱通量均表現出了與平均狀況一樣的日變化特徵。
  10. To fundamentally change this state of affairs, from the end of play today, the city ' s ad hoc campaigns to lock objectives : county - level cities undocumented units investigated rate was 100 %, the establishment of county - level cities of food and raw materials procurement request ledger card unit 100 %, on the use of dead livestock and poultry and their products and use of drug harmful substances processed foods coverage of the supervision and inspection of 100 % ; the county - level cities of graded supervision of food hygiene management system implementation rate of 95 % ; food units and rural farmers lok food operational behavior of the basic norms

    為從根本上改變這種狀況，從即日起到年底，全市專項整治行動鎖定工作目標：縣城以上城市無證單位查處率100 % ，縣城以上城市建立食品原料采購索證和臺賬的單位100 % ，對使用病死畜禽及其製品和使用有毒有害物質加工食品行為的監督檢查覆蓋率100 % ；縣城以上城市食品衛生監督量化分級管理制度實施率95 % ；農村餐飲單位和農家樂餐飲經營行為基本規范。
  11. 4 ) soil nutrient of leguminosae also higher than non - vegetation soil ; while organic matter and available k increased, there was no significant change in total n ( it increased slightly ) ; available p and soil ph decreased

    4 ）豆科植物較無植被覆蓋地，土壤養分朝著良性循環轉變。土壤有機質、速效鉀含量提高，全氮含量稍有增加，速效磷含量降低， ph值有所下降；這些變化主要發生在土壤表層。
  12. Dinghu are mainly relied on the power supply of the power grid of guangdong province, there are four 110, 000 v transmit and transformer substations, one thermal power plant with a total installed capacity of 3000 kw in the first duration, and a total capacity of power supply of 75000000 kw and a daily load of 15000 kwh in the district, the power grids are perfect and cover the whole district

    鼎湖區主要依靠廣東省大電網供電，全區擁有4個11萬伏輸變電站和一家首期容量3000千瓦的火力發電廠，總供電能力超過7500萬千瓦，日負荷達1 . 5萬千瓦時。區內代電網路齊全，供民線路覆蓋城鄉。
  13. At present, people usually use birefrigence and quasi - phase - matching methods to achieve higher effiency in the process of conversion. a significant advantage of quasi - phase - matching method is that the interaction is occurred through the largest element of the x ( 2 ) tensor ; the period of optical superlattice can be designed randomly, and any interaction can be matched without walk - off angle ; they are fitted to be used in frequency conversion of lower power especially. the quasi - phase - matching method has some advantages over birefrigence method, improving the efficiency of frequency conversion ; the range of frequency conversion covers its whole transperant wavelength

    由於準相位匹配技術有其獨特的優勢，可以利用非線性光學晶體的最大二階極化張量，如ppln 、 pplt 、 ppktp用的非線性極化張量都是d _ （ 33 ） ，其有效非線性系數高出普通非線性光學介質（如bbo 、 lbo 、 ktp ）一個數量級，而且可以人為靈活設計調制周期，通過周期設計其頻率變換范圍可以覆蓋準相位匹配介質的整個透明波段，選擇無走離效應，解決了常規pm難以解決的問題，拓寬了非線性晶體的應用范圍，極大地提高了頻率轉換效率，已成為非線性光學材料和固體激光器的研究熱點之一。
  14. For parameter a, there is a close relationship exist between a ( 9, sr ) in two different radar incident angle that can be expressed as : with considering the effects of soil texture, we get the final expression of the inversion model : where mv ( t1 ), mv ( t2 ) is volumetric soil moisture content in two different temp, c, d is soil type related parameters, and v ( t1 ), s ( t2 ) is coresponding bare soil radar backscattering coefficients. inversion results show that for the c band hh polarized radarsat scansar data with a range of incidence angle from 20 to 40, the soil moisture change value can be derived with an acceptable accuracy using the above model. the temporal and spatial soil moisture change patterns are associated with rainfall and vegetation cover, as well as the soil hydraulic characteristics

    利用最新發展的電磁波散射模型研究了不同植被覆蓋地表雷達波對地表土壤水分的敏感性，建立了半經驗植被雷達後向散射模型; 2 ） .研究發現在農作物等矮小植被覆蓋地表，植被層直接後向散射與植被類型相關，且在植被生長期，雷達後向散射系數對植被含水量的敏感性要高於對植被高度變化的敏感性; 3 ） .解決了單參數雷達地表土壤水分反演問題中，雷達入射角和地表粗糙度的影響這一難點問題; 4 ） .利用土壤介電模型校正了不同土壤類型對反演地表土壤體積含水量的影響; 5 ） .在以上成果基礎上，建立了完整的單參數雷達地表土壤水分變化探測反演演算法，經地表驗證，模型反演地表土壤水分變化值的精度為rmse = 0
  15. 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，通過對北京的經濟、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相關性。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 ，城市綠化覆蓋率由32 . 68上升到36 . 34 。
  16. 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

    摘要針對區域覆蓋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相位角漂移變化率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覆蓋星座構型維持。
  17. The study results showed that it was suitable for assessing the impact of highway route selection on the ecological environment using quantitative analysis indexes of vegetation coverage, biomass, flood detention ability, soil character change, cropland occupation and water and soil erosion, and it was suitable for route selection using the comprehensive ecological impact assessment method

    結果表明，用植被覆蓋率、生物量、滯洪能力、土壤變化、農田佔用、水土流失量等6項指標來定量分析生態影響程度效果較好，採用綜合生態影響評價指數法確定線路的舍取是可行的。
  18. In this paper, relevant algorithm of the automatic producing test case will be discussed, furthermore, the simulate annealing genetic algorithm of automatic producing the case of combination of condition covering test, and the orthogonal latin squares method of the automatic producing the case of combination of input variant covering test are offered in the paper

    本文討論了自動生成測試數據的相關演算法，並在此基礎上，給出了能自動生成條件組合覆蓋測試數據的模擬退火遺傳演算法以及可自動生成輸入變量值組合覆蓋測試數據的正交拉丁方方法。
  19. The choice dam type is especial importance, during the designed research of the rock - fill dam, particular under the rock - fill dam with very deeply cover layer, the stress and strain of the middle wall and cutting interpenetration wall of the dam foundation is mostly sensitive, whether the. design of dam is scientific and reasonable, it is very important for cutting interpenetration and stability of the dam, the article offer the reference for the design of cutting interpenetration in the foundation with deep cover with earth the water conservancy in xiaban zone, based on the study and analysis the design of cutting seep in the foundation with deep cover with earth, cutting interpenetration concrete wall and the joining model of cutting interpenetration material in body of dam and the applying effect in the practical worko based on the foundation which absorbed and summarize the achievement of design and research in the inter and outer country, for the project of the clay vertical middle wall and vertical cutting interpenetration, the asphalt concrete vertical middle wall and vertical cutting interpenetration the clay inclined middle wall and the lever carpet layer cutting interpenetration, respectively in terms of the different stage of complete period sluice period and working condition, adopting nonlinear calculate and analysis with the finite element method ; carrying the analysis and study with the 3d finite element method as to the different joining model of the left bank high slope cutting interpenetration body and the foundation concert cutting interpenetration wall ; carrying the analysis and study with the 3d finite element method as to the effect of the wall stress and strain because of the different elasticity modulus of the concert cutting interpenetration wall through the analysis and study with the different project. have comparatively all - around comprehended the various model dam, particular the distribute rule of stress and strain of the cutting interpenetration system, provide for the important evidence of the plastic area size the join model of the foundation cutting interpenetrate wall and dam body cutting interpenetrate system the choice of the dam model and the design of the structure of the dam body, the result of research and advice have very importance value in design and building for the similarity project

    工程設計中，壩型的選取顯得尤為重要，特別對于壩基有深厚覆蓋層的堆石壩，心墻和壩基防滲墻的應力和變形是壩體、壩基最敏感的部位，設計方案是否安全、科學和合理，對大壩防滲和穩定起到至觀重要的作用。本文研究分析了國內外深厚覆蓋層基礎防滲設計、壩基混凝土防滲墻與壩體防滲體銜接形式及工程實際應用效果，為下坂地水利樞紐工程深厚覆蓋層基礎防滲設計的方案選擇提供了參考；在吸收和歸納了國內外堆石壩的設計研究成果的基礎上，對粘土心墻和壩基垂直防滲方案、瀝青混凝土心墻和壩基垂直防滲方案以及粘土斜心墻和壩基水平鋪蓋防滲方案，分別按竣工期和蓄水運行期的不同工作情況進行了有限元非線性計算分析；對左岸高陡邊坡的大壩防滲體與基礎混凝土防滲墻的不同結合型式進行了三維有限元靜力計算分析和研究；對混凝土防滲墻不同彈性模量對墻體應力和變位的影響進行了三維有限元靜力計算分析和研究。通過對不同方案的計算分析和研究，比較全面的了解了各方案壩體，尤其是防滲體的應力和變形分佈規律，為壩型選擇、壩體結構設計、基礎防滲墻與壩體防滲體的結合型式以及塑性區大小的確定提供了重要依據。
  20. 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，植被覆蓋、地表粗糙度（包括地表均方根高度和相關長度） 、雷達入射角對c波段（頻率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覆蓋、地表粗糙度、及雷達入射角對雷達後向散射的影響，利用多時相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。
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