覆蓋同態 的英文怎麼說
中文拼音 [fùgětóngtài]
覆蓋同態
英文
covering homomorphism-
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，森林覆蓋率50以上）和北碚中梁山（遭人為破壞嚴重）典型巖溶區為對象，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相結合的方法，以不同土地利用方式巖溶土壤肥力為重點，對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個方面對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。There is no precedent to model land use and land cover change of arid region in china. and zhangye city located in the transition of three physical geographical region of china, is the significant part of north - west arid region, which is the sensitive area and zoological brittle zone. the evolutive process and mechanism of land cover change law is different from east region
國內對乾旱區土地利用覆蓋變化模擬的研究尚無先例，且張掖市是我國西北乾旱區的重要組成部分，處在我國三大自然地理區的過渡位置，為環境演化的敏感區和生態脆弱帶，土地覆蓋的演化過程和機制有其不同於東部地區的特殊規律，所以張掖市土地利用覆蓋變化模擬的研究對乾旱區現代環境變化的人為影響研究有著極為重要的理論和實際意義。In the agricultural total output value internal structure, output value of forestry and animal husbandry occupy 80 % of it, and realize fully exploitation and utilization of the superiority environment factors ; in the crop planting output value internal structure, the economical crop output value occupy 51. 18 % of it, and give prominence to develo pment of the regional superiority ( resource superiority ) and characteristic agriculture ( chinese medicinal materials etc ) ; in the animal husbandry output value internal structure, the grass - eating animals output value ( including rabbit output value ) occupy 84. 55 % of it, thereinto, the rabbit output value occupy 66. 2 % of it, and realize operation of large scale ; enhance meat, egg and milk per person ( increase proportion of beef and mutton, reduce proportion of pig ), and reduce grain per person and oil plants per person, and enhance forest - coverage rate, source of manure index etc, and enhance ecological benefit
到2020年時農業總產值達到了2000年的2 . 75倍，人均產值達2753 . 42元，是2000年的2 . 39倍，總產值內部，林業和牧業產值佔80 ，充分實現了優勢環境因子的開發利用；種植業內部，經濟作物產值佔51 . 18 ，突出了區域優勢（資源優勢）和特色農業（中藥材等）的發展；牧業內部，草食畜產值（含兔）佔84 . 55 ，其中兔產值占牧業產值的66 . 2 ，實現了規模化經營；提高了人均肉蛋奶佔有量（其中增加牛羊肉比重，降低了豬肉比重） ，降低了人均糧食和油料佔有量，同時還提高了森林覆蓋率、肥源指數等指標，從而提高了生態效益。We selected two experimental sites - forest land and bare land to carry out the research. the research including : co2 concentration, temperature, air humidity and rainfall. we probed into the principle of carbon cycle in different elevation and the effect of vegetation to carbon cycle
故，本次試驗以典型的亞熱帶巖溶分佈區中的金佛山自然保護區為例，選取喬木林和裸地兩種巖溶生態系統類型作為研究對象，對co _ 2濃度、溫度、濕度、降雨量等進行觀測，探索在不同海拔高度上，其碳循環的機制及有無植被覆蓋對碳循環運行的影響。Apart from geochemists from western countries, which paid a particular attention on amorphous iron - manganese oxides extracted by enzyme or 0. 1 ~ 0. 25m nh2oh ? hc1, our results show that the extraction of metals adsorbed by clay and bound to the carbonate in soil is most useful to identify the concealed mineralizations in the semiarid and loess covered terrains, northern china
但與國外重點關注非晶質鐵錳氧化物如酶、鹽酸羥氨提取結果不同，在我國北方半乾旱黃土覆蓋景觀區，粘土吸附和碳酸鹽結合態金屬元素的提取為最有效的提取步驟。而游離態、有機結合態的提取效果則受景觀控制變化較大。The distinct trait of sun synchronic orbit satellite is that there will be the same sun conditions in the subpoint of the satellite wherever the satellite is, it benefits the earth reference equipments. and the regressive orbit satellitr ' s trait is that the satellite can cover the earth periodic, it benefits the dynamic reconnaissance. because of these merits, the sun synchronic and regressive orbit become one of the most popular orbit types
太陽同步軌道的主要特點是衛星在任一時刻其星下點的陽光條件基本相同，這對衛星上對地儀器的工作是非常有利的。而回歸軌道的特點是周期性地覆蓋地球，這有利於對地球上動態目標的偵察。由於以上的優點，太陽同步回歸軌道成了所有衛星軌道中最常見的軌道之一。But variation of the co ; concentration in the bottom soil show that sink effect of carbonate rock on the soil air co2 ( 2 ) the diurnal observation results of soil co2 dynamics in the different vegetation show that the soil co2 concentration in the bare land is sensitive to environment, but the soil co ; concentration in the other experimental site, which covered with vegetation, restrain the variation
在土壤?大氣界面上，土壤表層可為大氣提供游離co _ 2 ；而土壤深部co _ 2濃度的變化則顯示下覆碳酸鹽巖對co _ 2有吸收作用。 （ 2 ）在不同植被系統中，土壤co _ 2晝夜動態變化進程不同。觀測資料表明：裸地對外界環境的變化相當敏感，而有植被覆蓋的竹林和草甸對土壤co _ 2濃度動態變化有平抑作用。Some connections between the covering, the covering number, and the endomorphisms of modules are discussed
摘要研究了模的覆蓋、覆蓋數與模的自同態之間的一些聯系。Meanwhile, according to the assessment cell of small watershed, the paper evaluates each index and compositive index. the paper can provide scientific bases for both protection and use of wetland by disclosing the spatial distributing rules and analyzing the impact on environment brought because of exploiting. the study shows that 1 ) in the structure of wetland ecosystem health of panjin city in 2000, better area accounts for 22 %, generic area 52 %, worse area 26 % ; 2 ) in shuangtaizi national wetland nature reserve, the health of many regions is better, the one of partial regions is threaten, the area of wetland is decreasing ; 3 ) in the period from 1986 to 2000, paddy field, shrimp and crab pool were increased, swamp and biodiversity were decreased gradually, and the environment of wetland was polluted gradually
本文以生態系統學、景觀生態學、生態系統健康、區域可持續發展等理論為基礎，根據聯合國經濟合作開發署提出的壓力-狀態-響應（ psr ）框架模型，以遙感數據及統計監測數據為基礎，採用rs 、 gis 、 gps技術，結合數理統計和數學模型方法，提取土地利用/土地覆蓋信息、濕地類型信息、小流域信息、濕地景觀指數、濕地初級生產力、濕地人口壓力指數、濕地蓄水量、濕地污染物負荷、濕地變化等數據，建立盤錦市濕地生態系統健康數據庫，以小流域為評價單元，對每個小流域濕地進行單因子和綜合評價，揭示盤錦市濕地生態系統健康狀況的空間分佈規律，同時對濕地資源開發造成的環境影響進行剖析，為濕地資源的保護與利用提供科學依據。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。At first, the article describes the basic concept of testbench ; summaries general function verification approaches : white - box verification, black - box verification, and grey - box verification, and shows their different application situations ; examples general verification tools : linting tools, code review, simulator, waveform viewer and code coverage. after doing that, it discusses how to analysis the granularity for verification and how to specify the verification, and details the construct relations between verification specification, testcase and testbench
本文首先闡述了測試平臺的基本概念；歸納了常用的功能測試方法：白箱測試、黑箱測試和灰箱測試，並說明了其不同的應用場合；列舉了常用的測試工具：代碼靜態分析工具、代碼檢查、模擬器、示波器和代碼覆蓋；接著討論了如何在測試計劃中分析測試粒度、確定待測特徵；闡明了待測特徵、測試實例和測試平臺之間的結構關系。The others showed partly decreased, but the degradation of vegetation were obviously in lower reaches of tarim and cherchen river ; in the mountain area of southern xingjian, the forest area were increased, and the others decreased ; in northern xingjian, both the mountain and the plain area increased. they showed the decrease of desert and the increase of oasis ; the change of vegetation cover in the hexi corridor - alax desert were not obviously ; but in chai - damu basin, the area of desert and low cover grassland increased, the others vegetation decreased, especially in the high cover grassland. that showed the great degradation of ecosystem, and the most of degradation was shown in the north hillside of the arjin mountain and qi - lian mountain
而從各個分區來看，情況不盡相同:南疆地區平原區綠洲面積擴大，荒漠面積基本不變，其他類植被面積不同程度縮小，而在塔里木河下游、車爾臣河下游植被退化;南疆山地森林面積略有增加，其他類植被面積略有縮小;北疆的平原區和山區的植被狀況均有改善，表現為荒漠面積縮小，綠洲面積增加;河西走廊一阿拉善地區總體變化不大;但是柴達木盆地的荒漠面積、低覆蓋度草地增加，其他類植被，尤其是甚高覆蓋度植被（草甸）的面積縮小，表明該地區的生態環境退化，而退化表現的主要地區在環柴達木盆地的阿爾金山和祁連山的北坡。( 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。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對象，基於遙感和gis平臺，提取了1979年、 1990年、 2001年區域土地利用/土地覆蓋數據，分析了研究區三個時期的土地利用/土地覆蓋特徵，利用單一土地利用動態度、綜合土地利用動態度、土地利用相對變化率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/覆蓋演化的特點，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對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。How to realize it is the necessary stage of bind restoration of remote sense image processing. this paper introduces a way to remove the effects of cloud by frequency transform. here, information of cloud cover is removed by high - pass filtering and information of background is enhanced by homomorphic filtering and spatial - frequency analysis
本文結合中巴資源衛星地面應用系統圖像應用處理分系統「課題的需要，採用數字圖像變換的方法來去除無輔助信息的遙感圖像薄雲覆蓋，通過對薄雲覆蓋的遙感圖像進行變換域處理，進行高通濾波去除雲覆蓋所在的低頻信息，通過同態濾波並對圖像進行空頻分析來增強圖像背景。So the main purpose of this research is use time series, by the means of rs ( remote sensing ) and gis ( geographic information system ), on the groundwork of preciser classification data, to understand the change of different types of vegetation cover in the western arid lands in china, and to forecast future trend of the eco - environment of different areas. 1
因此本研究的主要目標就是利用長時期的遙感數據，以rs （ remotesensing ）和gis （ geographicinformationsystem ）為工具，在相對準確分類的基礎上了解1982 2000年期間中國西部乾旱區不同植被覆蓋度的時空分佈、面積變化，並對各區域的生態環境發展趨勢作出一定的預測。The changes of the three aspects have the cause - and - effect relationships : changes of soil moisture and temperature were affected directly by the farming practice, subsequently, the content of soil nitrate nitrogen was affected by the former changes, ultimately, the soil nitrate reductase ( nr ) and nitrite reductase ( nir ) activities were affected by the formers
由通徑分析的路徑系數比較，土壤含水量（ 0 . 3604 ）土壤溫度（ 0 . 3091 ）硝態氮含量（ 0 . 1212 ） ，並共同作用於土壤硝酸還原酶活性。 2冬小麥的不同生育期地膜覆蓋的農作措施顯著的增加了土壤中n _ 2o排放通量。The dynamic of ground water, affected by climate, hydrological cycle, vegetation and various artificial factors, is the significant reason for the dynamic of land salinisation and land cover / land use
在鹽漬土區，主要問題是水鹽運移問題。地下水動態受氣候、水文、植被以及各種人為措施的影響，同時也是土壤鹽漬化和土地覆蓋土地利用動態變化的重要原因。Blueshine : this armor glistens with a blue - black sheen, as if it was covered in oily liquid sapphire
「瑩藍」 ：這種鎧甲閃爍著一種黯藍色的光澤，如同覆蓋著一層油液態的藍寶石一般。Based on analyzing the main characters and the limited aspects of many software testing management tools in existence, regarding the requirement of many domestic software companies, the author researched and developed a software testing management tool, which includes such characters as listing under : ( 1 ) testing running process management, separating the static information and dynamic information of the testing cases to manage the running process of the testing cases, supporting iterative testing and regressive testing ; ( 2 ) providing the individual setting of the classified properties of bug and testing case, which user can define in according to their requirements, and then providing corresponding querying and statistic functions ; ( 3 ) testing progress plan management, setting testing milestone and management check point to manage the testing progress plan ; ( 4 ) testing task management, using tier structure to express task ' s relationship, supporting task cooperative management based on work flow, monitoring the task ' s time, cost and performance during the whole process ; ( 5 ) testing evaluation, using testing cover rate and bug reports to evaluate a test
本文分析了現有的軟體測試管理工具的主要特點和局限性，結合國內從事軟體開發的組織的實際需求，提出了一個具有下列技術特色的軟體測試管理工具： （ 1 ）測試運行管理，通過將測試用例的靜態信息和動態信息分離來進行測試用例運行的管理，為重復測試、回歸測試管理提供支持； （ 2 ）軟體缺陷和測試用例的分類屬性值的定製功能，使用戶可以根據自身組織的管理要求進行自定義，根據定製提供相應的分類查詢、統計等處理功能； （ 3 ）測試進度計劃管理，通過設定測試里程碑和管理檢查點來對測試進度計劃進行管理； （ 4 ）測試任務管理，使用層次結構表達任務的結構關系，提供基於工作流的任務協同管理，全過程監測任務的時間、成本和績效； （ 5 ）測試評價，通過測試覆蓋和缺陷報告等方法來進行測試評價。分享友人