相對蓋度 的英文怎麼說

中文拼音 [xiāngduì]
相對蓋度 英文
relative cover
  • : 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...
  • : 蓋名詞(姓氏) a surname
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 相對 : 1. (面對面) opposite; face to face 2. (非絕對的) relative 3. (比較的) relatively; comparatively
  • 蓋度 : cover degree
  1. The study investigated aboveground growths of caragana korshinskii and artemisia ordosica planted in four modes, revealing that in different planting modes their densities, heights and canopy width and biomasses remained unchanged or tended to decrease slightly ; the young shoots of a. ordosica annually grew in a s - shaped cure and the young shoots of c. korshinskii grew fast in spring and grew slowly or cease to grow from july on ; the biomasses and leaf area indexes of c. korshinskii and a. ordosica annually varied in a double peak curve and there were 8 annual plants that invaded in the four planting modes and formed higher coverage ; the quadrat with only a. ordoska appeared to have obviously lower coverage and biomass that the other three quadrats

    摘要騰格里沙漠東南緣2種人工植被檸條和油篙在4種配置方式下地上部分的生長動態進行了研究,結果表明:不同配置方式下它們的密、高、冠幅和生物量基本不變或略微呈下降趨勢;油篙新梢的年生長動態呈s型曲線,檸條新梢春季生長速較快, 7月份以後生長速緩慢或基本停止生長;檸條、油篙地上生物量和葉面積指數的年變化均表現為雙峰型, 4種配置方式下共有8種1年生植物人侵,並具有較高的植被;同其它3個樣地比,純油篙樣地1年生植物的密和生物量明顯偏低。
  2. And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed

    研究結果如下:首先針荒漠化地區的地物特徵,高光譜數據不同波段的數據質量、波段組合進行了評價,提出了適用於荒漠化監測的基本波段選擇集;初步了解和掌握了研究地區的地物光譜特性及變異規律,進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎;發現了基於光譜整體形狀的分類方法在很大程上能夠消除由於傳感器、地物目標觀測方向之間的角變化引起的反射率曲線整體平移的「同物異譜」現象,于譜形似而整體反射率的值差較大的兩類地物,通過引入均值和方差圖像參與分類得到解決;研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段,這些波段與植被生物量和都有密切的關系,是開展精細植被分類研究和植被定量反演的重要基礎;像元的導數光譜分析可以消除土壤背景的影響,是進行植被生物量和定量反演的有力工具;建立了荒漠化監測主要評價因子的定量反演模型,並分析了模型的適用性。
  3. The canopy transparency was strengthened to withstand a four - pound, 350 - knot bird strike

    透明座艙被加強到可以經受一隻四磅重的飛鳥以350節產生的撞擊。
  4. Using loges evaluation system, evaluate the microscopic seal ability of claystone formation in study area. and using standard breakthrough pressure of sample, incorporation with macrofeature as lithologic, sediment phase, thickness, continuity and so on, comprehensive evaluate the seal ability of every seal formation

    利用loges測井評價系統研究區層微觀封能力進行了系統評價,並應用取心樣品的突破壓力標定,結合巖性、沉積帶、厚、連續性等宏觀特徵各套層開展了綜合評價。
  5. Meanwhile, an artificial imitation rainfall system was developed in order to study the characteristics of city underlying surface and make experimental check up about the relative appraising index, on which 200 rainfall experiments are made, analyzing the effect of rainfall intensity to the runoff of underlying surface ; the relationship between runoff permeability and unit factor of rainfall intensity and duration ; the effect of rainfall intensity, duration, soil moisture content, and temperature to the runoff permeability ; the relationship between rainfall quantity and runoff permeability, and make mathematical imitation to the expe rimental results, to find the mutual - relationships, and make discussion about the differences between equations of fit

    同時,為研究城市下墊面的產匯流特性研製了一套人工模擬降雨系統,並關評價指標進行了實測校驗。在此基礎上,進行了200多場降雨實驗,分析了雨強、歷時、土壤前期含水量、溫、降雨量、不同下墊面和不同覆產匯流的影響,及各種因素徑流系數的影響和關性,建立了一定條件下歷時徑流系數,雨強徑流系數,流量徑流系數的函數模型。
  6. The great bustard selects the areas with abundant plant species. higher vegetative cover score. smaller proportion of bare area and taller plants to display on postfire grasslands ; the important factors that influence the great bustard to selection display fields are the proportion of hay, stipa baicalensis density and the thickness of hay on unburing grassland

    在火燒地,大鴇會選擇植物種類數較多、較大、裸地比例較小及植株較高處進行求偶炫耀;在非火燒地,枯草比例、貝加爾針茅密及枯草厚是影響其求偶場選擇的重要因素。
  7. Diamond micro powder ( abrasive grain = 0. 5 u m ) is added to the plating liquor, after many experiments, we discover every parameter of composite electro - brush plating, includes voltage of brush plating, relative velocity of between brush plating pen and workpiece, adding quantity of diamond micro powder etc. finally steel balls millstone covering with ni - fe - diamond composite electro - brush plating film is produced successfully

    試驗中加入粒為w0 . 5的金剛石微粉,通過反復多次的試驗,確定出了鎳-鐵-金剛石復合電刷鍍中的各項工藝參數,包括電壓、鍍筆和工件的、金剛石微粉的加入量、溫等等工藝參數;成功的試製成了覆有鎳-鐵-金剛石復合電刷鍍層的鋼球研磨板。
  8. Due to the low content of soil water in the sand - fixing area with a longer time, the growing velocity of shrubs decre

    栽植時間長的固沙區沙層土壤水分含量一較低,其間灌木的生長速較慢,灌木也較低。
  9. Chapter two firstly discusses controversial issue about the basis of interim reports that is whether interim period is to be viewed as a presentation of an autonomous period or as an integral part of the annual reporting period the author suggests certain accounting principles and practices followed for annual reporting purpose require certain modification so that the reported results for the interim period may better relate to the results of operations for the annual period except that , it is also depicted the influences from interim accounting changes , the accounting of two special gains and losses items , the measurement of intraperiod income tax and varieties of interim models the author devotes to give reasonable suggestions of interim reporting which can satisfy the nee

    首先通過有關定義的介紹,指出通常意義下的中期財務報告是于年財務報告而言的,是企業在正常經營情況下定期外披露、且涵期間短於一個完整會計年的財務報告。然後在此基礎上,圍繞誰是財務報告信息的使用者、他們需要哪些信息,以及企業應該提供哪些信息,推斷出中期財務報告的側重點于年財務報告應有所不同,但從本質上講,兩者都屬於一種不完全循環期間的定期報告,都具有滿足信息使用者決策需要的共同目標。
  10. Many studies had attempted to characterize chemical weathering process by focusing on geochemisty of river particulate and sediment. the sediment geochemistry may reflect and compare with the carbonates and silicates weathering degree by introducing the chemical index of alteration ( cia ) and new sediment index of variation ( siv ) and elemental molar abundance ratio of the sediment. the one main objective of this study would provide and compare the relative weathering intensities of silicates and carbonates with the different basins

    2沉積物地球化學與化學風化進程和機械剝蝕率化學風化指數與化學風化率屬于表徵化學風化作用意義不同的函數,前者為概念反映流域巖石在原巖基礎上己發生淋溶作用的深,主要受到了氣候因子的深刻影響(中國流域沉積物化學風化指數由北到南呈有規則的遞增序列,氣候因子風化進程的影響掩了巖性的巨大差異) ,而化學風化率含義是指單位流域面積巖石風化淋溶產生的離子絕總量。
  11. The formulation of slab - column system flexure and internal force in elasticity was established according to the known condition of boundary and stress, and the elasticity formulation using the factor of relativity coordinate was simplified

    摘要根據已知的邊界和受力條件,建立無梁樓和內力的彈性分析解,並利用坐標引入參數,此彈性解進針化簡。
  12. Taking the earth - rock dams with straight clay core constructed on thick moraine cover foundation and directly built on bed - rocks with the same sizes and the same materials for example, two - dimensional dynamic fem programme is used to contrast and analyze the static stress distribution and dynamic response difference of two types of high earth - rock dams in the intensive earthquake zones

    摘要以同尺同材料的建造在深厚覆層上直心墻土石壩和直接建設在基巖上的直心墻土石壩為例,採用二維動力有限元程序比和分析了強震區兩種高土石壩的靜應力分佈和動力反應的差異。
  13. A monte carlo model was developed for simulating the adsorption behaviors of linear macromolecule chains on the solid - liquid interface. the simulations were performed on a simple cubic lattice, which was 50 50 50 sites in size. the concentration profiles of total segments, tails and loops in dilute solutions were used to analyze the influences of simulation parameters ( body concentration, interaction energy between segments, adsorption energy of interface, and macromolecule chain length ) on various adsorption configurations

    本文採用montecarlo方法構造了水溶性均聚鏈狀高分子固液界面吸附模型,在50 50 50簡單立方格子上模擬研究了高分子稀溶液中鏈節濃、鏈尾和鏈環分佈,並結合真實高分子鏈的吸附行為,討論了模擬參數(鏈節間互作用能、界面吸附能、體與鏈長)各種吸附構型分佈、吸附量、表面覆和附著分數的影響。
  14. Because of modis predominant space and spectral differentiate rate, it ’ s has been broadly applied to various field, in the aspect of snow monitoring, modis has been successfully using a normalized difference snow index ( ndsi ) to provide global automated binary maps of snow cover. the ndsi is a spectral ratio that takes advantage of the spectral difference of snow in short - wave infrared and visible spectral bands, although it has higher precision, it can only discern one pixel to snow or other features, can not satisfy accurate drainage basin snow cover mapping and snow parameter extracting

    Modis數據因其優越的空間解析、波譜解析,已被廣泛的運用於各個領域,在積雪監測方面,已成功地運用歸一化差分雪指數( ndsi )製作每天的全球雪分布圖, ndsi是基於雪可見光與近紅外波段的反射特性和反射差大小的一種測量方法,然而它只能將一個像元辨別為積雪或非積雪,滿足不了高精應用要求。
  15. 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、地表粗糙(包括地表均方根高關長) 、雷達入射角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、地表粗糙、及雷達入射角雷達後向散射的影響,利用多時50m解析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。
  16. Detailed numerical simulation of krain impeller at design operating condition is made, the computed results, such as circumferentially averaged shroud static pressure distribution, meridional velocity and relative flow angel et al., show good agreement with experimental data

    krain高速離心葉輪在設計工況下的內部流場進行了詳細的數值模擬,計算所得輪壓力分佈、子午速氣流角分佈與實驗結果吻合較好,並且進一步加深了二次流機理的認識。
  17. Standard test method for determining relative humidity on the surface of concrete floor slabs using relative humidity probe measurement and insulated hood

    探針測量法和絕緣測定混凝土地板表面的標準試驗方法
  18. The first phase of the vsrs, which comprises a primary register with relatively accommodating entry requirements, is designed to cater for 41 trades covering common structural, civil, finishing as well as electrical and mechanical works

    注冊制的第一期會先設立基本名冊,注冊條件較為寬松,並涵四十一個工種,當中包括常見的結構工程、土木工程、終飾工程和機電工程。
  19. 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「目標進入雷達覆區概率」 (簡稱為「覆率」 )作為評價指標;然後將三維探測空間轉換為不同高應的水平探測圓,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覆區的目標分佈情況;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、航線縱比及速性能的影響。
  20. Experimental constants include : ambient temperature 291k ~ 301k, rh 15 % ~ 21. 2 %, wind velocity 3. 2m / s at the nozzle position and horizontal to the spray fan, others are same as the fore experiment. the tendency of the two experiments results is consistent with the tendency from simulation. that indicate the improved shield spray is better than the original shield spray in reducing spray drift, and also more better than conventional spray without shield

    風洞試驗參數:噴霧藥液為含1 bsf的水溶液,風速1 . 4m s ,風向垂直於噴霧扇面,溫281k 288k ,rh9 20 ;室內試驗參數:噴霧藥液為含2 bsf的水溶液,噴頭處風速為3 . 2m s ,風向平行於噴霧扇面,溫291k 301k ,rh15 21 . 2 ;分別在噴頭下風向噴幅外的空中和地面布點收集飄失和飄移沉積的霧滴量,作為評價減少霧滴飄失效果的指標:試驗結果表明:改進后的罩噴霧減少霧滴飄失的效果好於雙圓弧未開口罩噴霧,常規無罩噴霧的霧滴飄失量大於開口罩噴霧。
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