蓋度比 的英文怎麼說

中文拼音 [gědùbǐ]
蓋度比 英文
cover ratio
  • 蓋 : 蓋名詞（姓氏） a surname
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 比 : Ⅰ動詞1 （比較; 較量高下、 長短、距離、好壞等） compare; compete; contrast; match; emulate 2 （比...
  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

    摘要對騰格里沙漠東南緣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度、高度、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度較快， 7月份以後生長速度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，並具有較高的植被蓋度；同其它3個樣地相比，純油篙樣地1年生植物的密度、蓋度和生物量明顯偏低。
  2. The classified result show that the grass land of this region retrogressed badly in 2000 : the appreciable retrogression proportion of the grass land is 15 %, the moderate retrogression proportion is 15 % ; the serious retrogression proportion is 8 % ; the area of desert is 2755. 27km2 and the proportion is 19 %, which had increased about 88. 9 % in eight years

    植被覆蓋度分類結果顯示， 2000年該地區草地退化比較嚴重： 21草地輕度退化， 15的草地中度退化， 8的草地重度退化，土地沙化面積為2755 . 27km ~ 2 ，比1992年增加了88 . 9 。
  3. In this paper, on the basic theories foundation study of summary people of the past, aiming directly at whether the shelter forest can deposit the sand and how powerful it can. we select the oasis in ulan buh desert as the study plot, and study the function of the shelter forest reduce the " sand " and " dust ". we draw the following conclusion. first, in the fixed and semifixed sand lands, which grow the natural sand - binding plants, the coverage of plant in the fixed and semifixed sand land is 26. 4 % and 10. 3 %, respectively, the amount of sand drift decrease 93. 38 % and 81. 91 % comparing with the migratory sand land which have no plant coverage in the same wind speed and the range of 0 - 40cm above the ground

    本文以前人的研究為基礎針對「防護林體系是否有降解作用，有多大的降解作用」這一問題以烏蘭布和沙漠邊緣的防護林體系為研究對象，研究了防護林體系對「沙」 、 「塵」的降解作用，得出以下結論： （ 1 ）在距離地表0 - 40cm范圍內，同一風速下生長有天然固沙植物，植被蓋度分別為26 . 4 、 10 . 3的固定、半固定沙地上，地表起沙量分別比無植被生長的流動沙地降低了93 . 38 、 81 . 91 。
  4. 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、蓋度較大、裸地比例較小及植株相對較高處進行求偶炫耀；在非火燒地，枯草比例、貝加爾針茅密度及枯草厚度是影響其求偶場選擇的重要因素。
  5. According to the configuration and ecotope of the earths surface, the coverage of vegetation, occupation ratio of bare sandy land and the soil texture were selected as evaluation indexes by using the field investigation data

    利用外業調查數據，依據地表形態和生態狀況的變化，確定了植被蓋度、裸沙地佔地百分比和土壤質地3項評價指標，並建立了基於遙感的科爾沁沙質荒漠化評價指標體系，其中裸沙地佔地百分比用混合像元分解的方法獲得。
  6. The evapration of water area is calculated by et0 multiplied by kc ; and then the evapotranspiration estimation models for other categories ( singular underling surface ) are presented ; based on bare soil and dense grass models the evapotranspiration estimation models for partly grass covered surface is presented combined with vegetation fraction data. it is feasible and logical each categories using singular way and mean, the result of regional evapotranspiration over south ningxia is given

    將水體單獨處理，由參考作物蒸散乘以比例系數直接計算得出水體蒸發；建立了4種單一類型下墊面（裸地區、草地完全覆蓋區、喬木林區、灌叢區）蒸散計算模型；對混合下墊面（草地?裸地區）區域蒸發（散）計算方法使用裸土和草地完全覆蓋蒸發（散）計算模型，然後結合植被覆蓋度給出。
  7. Moreover, the tio2 film particles distribute more uniform and join tightly with the increasing of power, but the surfaces of films become closer and smoother when pressure increased or the ratio of oxygen decreased

    提高功率可提高膜的覆蓋度，使濺射膜顆粒分佈均勻，結合更加緊密。提高壓力或減小氧氬比，可使濺射膜的顆粒更加密集。
  8. The differences of biodiversity indices and vegetation coverage between the designed vegetation restoration pattern and the field data indicated that alpha and beta diversity indices were decreased in some parts of the region after vegetation restoration, however, vegetation coverage was reasonably increased, which would enhance the capability of soil and water preservation, thus could improve the ecological security of the region

    通過對比分析現狀植被蓋度及生物多樣性與植被恢復格局預測結果的差異，對區域植被恢復的效果進行評價，認為盡管植被恢復格局設計使部分區域生物多樣性下降，但它整體提高了地表植被覆蓋度，增強了抵禦土壤侵蝕的能力，對保障區域生態安全具有積極的效果。
  9. When vegetation cover - degree is 60 %, amount of slowly available k, rapidly available k, and dissolved k lost in the runoff are less 97. 49 %, 97. 31 %, and 73. 14 %

    當植被覆蓋度達到60時，緩效鉀、速效鉀和溶解態鉀流夫量分別比裸地減少了97 49 、 97 31和73
  10. When vegetation coverage is 10 %, amount of slowly available k, rapidly available k, and dissolved k lost in the runoff are less 74. 51 %, 73. 84 %, and 4. 66 % than open ground

    當植被覆蓋度達到10時，緩效鉀、速效鉀和溶解態鉀流失量分別比裸地減少了74 51 、 73 84和4石6
  11. 2. the range of soil co2 concentration varied with soil temperature is not the same for the soil layer and its characters and different vegetation : the varied range of topsoil is higher than that of deep soil at testing woodland ; the varied range of soil layer ( - 20cm ) is the highest than that of the other soil layers ; the range of co2 concentration varied with air temperature begins to increase in turn from woodslay and shrublay to herbage

    由於植被覆蓋類型不一樣和所處的層位以及本身性質，表層帶巖溶生態系統各層的coz濃度隨溫度變化的幅度不一樣，林地表層coz濃度變化的幅度比深部大，裸地土下e0 。 zcoz濃度變化的幅度比表層和底層大，林層、灌層和草層coz濃度變化的幅度依次變小。
  12. 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「目標進入雷達覆蓋區概率」 （簡稱為「覆蓋率」 ）作為評價指標;然後將三維探測空間轉換為不同高度層對應的水平探測圓，針對載機採用雙平行航線、交叉相向航線和交叉同向航線的最一般情形，採用相對運動的方法，分析目標垂直入侵時可能進入雷達覆蓋區的目標分佈情況;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、航線縱比及速度比對性能的影響。
  13. The two ways stiffness ratio of the reinforced concrete hollow slab is studied and the results show the reinforced concrete hollow slab is bent in two ways under the vertical loads providing the length of the two rims of the slab are near. the analysis for the concealed wide - flat beams demonstrates that it belongs to the column strip and it does not possess the function of the frame girder

    本文首先從理論上分析了空心板兩方向剛度比，認為兩邊長接近的空心板在豎向荷載作用下為雙向受彎，其受力性能為雙向板；分析了柱上暗扁梁在樓蓋中的作用，認為它不能起到框架梁的作用，應為柱上板帶的一部分。
  14. This method has four parts : data acquisition, image processing, pixel number extraction and coverage calculation., based on the precision assessment, the error is very small, and it has advantages such as objectivity, consistency and high precision, compared with visual estimation methods

    精度評價表明，該方法測定的綠色植被蓋度誤差很小，與目視估測方法比較，它具有客觀、一致和精度高的優點。
  15. The results showed that, in the course of wasteland restoration, the cultivated vegetation grew well ; the plant species was increased from 13 to 60, and the richness index, evenness index and diversity index of species was increased significantly ; the proportion of annual and biennial herbage in vegetation composition was decreased from 61. 5 % to 35 %, and the vegetation coverage was increased from 18 % to 80 %

    結果表明：荒灘恢復過程中，人工植被長勢良好，植物種類由恢復前的13種增加到60種，群落物種的豐富度指數、均勻度指數、多樣性指數均比恢復前顯著提高；生活型譜中一、二年生草本植物的比例由恢復前的61 . 5 %降低到35 % ，植被蓋度由恢復前的18 %增加到80 % 。
  16. ( 2 ) if not considering blind space and targets are uniformly distributed, detectionperformance are close for the three kinds of line when speed - ratio is less than 1, and cross - toline will achieve higher enter - cover - probability when speed - ratio is more than 1. if takingblind space into account, for case of balance - beam radar, cross - away line can get higherstrict - enter - cover - probability. but for fear that probablely - enter - cover target distribution comesbehind the patrol line, the three factors should be limited if taking cross line

    若考慮盲區的影響，對平衡木構型的雷達而言，交叉同向航線的嚴格覆蓋率較大;但為了使區域縱深不反向至我方空域，採用交叉航線時航線橫比、航線縱比、速度比的取值范圍要受到限制，否則雷達動態性能將大打折扣。
  17. Compared to non - tourist areas, in recreational areas, the number of plant species and coverage of vegetation in arbor layer and shrub layer decreased and the composition and community structure of vegetation trended to be simple. at the same time, regeneration of vegetation were suppressed

    景點活動區與背景區相比：喬木層、灌木層植物種數及蓋度減少，群落組成及結構趨向簡單化，更新受抑，草坪生物量、高度、蓋度明顯受到沖擊。
  18. The indicators are selected according to the coverage, measurability, representativeness, and importance to the quality of life in hong kong. the weighting of each indicator is decided on the basis of advice and research of renowned local and international scholars in the fields of quality of life and social indicators

    揀選分類指數和指標的準則是基於它們的涵蓋度、代表性、可量度性及對港人生活質素的重要性，並根據研究生活質素的國際權威學者的意見和研究而釐定比重。
  19. In this article, choose the fvc index for originals data which has great sensitivity to vegetation cover rate in arid lands as an environmental indicator ; 2

    本文通過對比，選擇了在乾旱區對植被覆蓋度上有較好敏感性fvc指數作為本次研究的原始數據； 2
  20. Based on program partition mechanism, a new oo coverage metric is proposed, which is superior to traditional structural coverage metrics. 4. object - oriented software metrics. we provide more than twenty important metrics

    本文提出了一種新的基於塊的面向對象覆蓋度量，可以比傳統的結構化覆蓋度量獲得更精確的測試覆蓋數據。
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