水覆蓋因子 的英文怎麼說

中文拼音 [shuǐyīnzi]
水覆蓋因子 英文
water-covering factor
  • : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
  • : 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
  • : Ⅰ動詞[書面語] (沿襲) follow; carry on Ⅱ介詞1 [書面語] (憑借; 根據) on the basis of; in accord...
  • : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
  • 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,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、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。
  2. Based on the actual situation in the upper reaches of minjiang river, the main assessment factors such as strata structure, landform, vegetation covering eco - environment, surface water, ground water, agrotype and geological hazard are selected in this paper

    本文根據岷江上游的實際情況選取巖性構造、地形地貌、植被生態區、地表、地下、土壤類型及地質災害等素作為評價
  3. Vegetation fraction is a most important indicating to vegetation, and it is one of the most important factors of eroding soil

    植被度是衡量地表植被狀況的一個最重要的指標,也是影響土壤侵蝕與土流失的主要
  4. M. bertuccio had outdone himself in the taste displayed in furnishing, and in the rapidity with which it was executed. it is told that the duc d antin removed in a single night a whole avenue of trees that annoyed louis xiv ; in three days m. bertuccio planted an entirely bare court with poplars, large spreading sycamores to shade the different parts of the house, and in the foreground, instead of the usual paving - stones, half hidden by the grass, there extended a lawn but that morning laid down, and upon which the water was yet glistening

    從前安頓公爵在一夜之間就把整條大馬路上的樹木全部砍掉了,此而惹惱了路易十四貝爾圖喬先生則在三天之內把一座完全光禿禿的前庭種滿了白楊樹和丫枝縱橫的大楓樹,使濃蔭著房的前前後後房前面通常都是半掩在雜草里的石路,但這兒卻伸展著一條青草鋪成的走道,這條青草小道還是那天早晨才鋪成的呢,草上的珠還在閃閃發光呢。
  5. But on the later condition the trend of accumulation turned to be stable in the w3 treatment ( vseawater / v pure water = 1 ) - in root zone soil, variation of sar value accorded with total salt accumulations and sometimes decreased at the treatment where the v seawater / v pure water > 1. contents of cl - and na + which were the main ions and leached obviously in 0 - 60cm soil were greatly influenced by rainfall, but the rainfall did not affected the contents of ca2 +, mg2 + and k + whose ability of leaching is worse than that of cl - and na + in the root zone soil obviously. the vertical distribution of salt ions in the 0 - 60cm soil were mainly affected by the ratio of v seawater / v pure water in the irrigation water on the condition of not enough rainfall, but on the cont

    灌溉下,耕層土壤中鹽分含量受降雨量影響很大,足夠的降雨條件下,鹽分不會積累,降雨量較低時,鹽分積累明顯,但在50海處理下趨于平衡狀態;耕層土壤sar值的變化情況和鹽分含量變化情況相一致,在灌溉中海濃度大於50時有所下降;土壤中主要鹽離為cl ~ -和na ~ + , 0 - 60cm土層內, na ~ + 、 cl ~ -明顯的向土壤底層遷移,其在土壤中的含量受降雨影響顯著,而ca ~ ( 2 + ) 、 mg ~ ( 2 + )和k ~ +在土壤中遷移能力較低,其含量受降雨影響較小; 0 - 60cm層次土壤鹽分的縱向分佈在降雨量較低的條件下主要受灌溉中海濃度的影響,而在降雨充分的條件下,地面程度成為重要的影響鹽分和分脅迫下菊芋的生理響應及其海灌溉研究之一。
  6. 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。
  7. 3. making the synthetic analysis with models and methods of rs and gis, this thesis achieves the data collection and information extraction of the ecological function regionalization indicators system, form the research achievements fixed region ecology environment system shape form. and analysis the land cover, vegetation cover, soil erosion etc. with rs, gis tools

    3 .採用遙感技術和地理信息系統技術的多種模型與方法綜合分析,實現生態功能區劃指標體系各指標的數據收集和信息提取,形成定量反映區域生態環境系統安全形狀的研究成果:並對土地、植被土流失等主要進行了遙感分析和gis空間分析。
  8. The river, glad of new strength and rejoicing in the unison of all its waters, murmured to the shores in music, telling of its release from icy fetters, its swift flight from the snow - clad mountains, and the mighty work to which it was hurrying - - - the wheels of many mills to be turned, and great ships to be floated to the sea

    為增添了新的力量而感到高興,它沉浸在流重聚的歡樂之中,不斷以美好的音調向河岸喃喃絮語,敘述著自己是怎麼掙脫冰雪的束縛,怎麼從積雪的群山奔騰跑到這里,以及它匆忙前往擔負的重大工作- - -無數車的輪等待著它去推動,巨大的船隻等待著它去送往海上。
  9. The method of delphi is used to decide the weight of all environmental factors, among which vegetation coverage is the most important, next is pollution load and water channel density

    利用層次分析法定量各指標的權重,表明植被是影響石河市生態環境最重要的素,其次為污染負荷與網密度狀況。
  10. In building fuzzy decision tree, each expanded attribute ca n ' t classify the class label clearly like decision tree, but the cases covered with the attribute - values have some overlap. so the entire process of building trees is based on a significant level a, the import of a can reduce such overlap in some degree, decrease the uncertainty of classification and improve classification result

    在模糊決策樹的產生過程中,用模糊熵選擇的擴展屬性不能像經典決策樹那樣將類清晰的分開,而是屬性術語所的例之間有一定的重疊,此樹的整個產生過程在給定的顯著性平的基礎上進行,參數的引入能在一定程度上減少這種重疊,從而減少分類的不確定性,提高模糊決策樹的分類結果。
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