自然分類 的英文怎麼說

中文拼音 [zìránfēnlèi]
自然分類 英文
natural classification
  • 自 : Ⅰ代詞（自己） self; oneself; one s own Ⅱ副詞（自然;當然） certainly; of course; naturally; willin...
  • 然 : Ⅰ形容詞（對; 不錯） right; correct Ⅱ代詞（如此; 這樣; 那樣） so; like that Ⅲ連詞[書面語] （然而）...
  • 分 : 分Ⅰ名詞1. （成分） component 2. （職責和權利的限度） what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] （料想） judge
  • 類 : Ⅰ名1 （許多相似或相同的事物的綜合; 種類） class; category; kind; type 2 （姓氏） a surname Ⅱ動詞...
  • 自然 : 自然at ease; natural; free from affectation
  1. Distribution, formation and characteristics of the saline - alkalized land in northeast china was systematically analyzed and agro - biological measures for management of saline - alkalized soil were illustrated, including cultivation of rice to wash down salts, cultivation practices, soil building practices, plantation of salt - tolerant plants and biological removal of alkali, etc. in the paper

    特殊的氣候、地形和水文地質等自然因素以及人類不合理的農業技術措施和社會生產活動等人為因素加劇了該區鹽堿化發生、分佈與演變。
  2. In this paper, based on land use maps of 1976, 1988, 2003, which were interpreted from the landsat mss / tm / etm imageries, and the map of main road, with the buffer analysis tool in arcgis 8, we studied the land use and land cover change on the two sides of the main roads in xishuangbanna, then we studied the impact of population density and the topographic factor on road effects. during the study both the comprehensive land use dynamic degree model and the land use degree comprehensive index model are taken into account, we put forward a compensatory model ? “ amendatory comprehensive land use dynamic degree model ”

    由於人類活動干擾強度加大，公路效應深度不斷擴展， 1976年為5km ， 1988年為7km ， 2003年達到11km ;受自然、社會條件的影響，不同路段的公路效應存在較大差異，甚至同一路段兩側效應也各不相同。 1976年至2003年，距公路不同距離范圍內的人口密度都在增加，且距離公路越近，人口數量密度越大、增長越快，人口分布有向公路兩側聚集的趨勢。選取人口密度為大、中、小三個樣區分別分析公路效應的范圍表明，人口密度
  3. The results showed that the mean proportion of polymorphic loci ( ppb ) of anabasis aphylla, which comprised 3 subpopulations ( 58 individuals sampled ), generated by 16 primers was 94. 56 %, the value of ppb of ceratocarpus arenarius, which had 4 subpopulations ( 80 individuals sampled ), using 16 primers was 98. 00 %. the paper had proved that the higher genetic diversity and the genetic differentiation existed in the populations of boih anabasis aphylla and ceratocarpus arenarius, while the latter had much more genetic diversity than the former. moreover, the study discussed the shannon information index and nei ' s gene diversity index of the two species natural populations, which indicated that there were more genetic variations within the subpopu

    另外，通過rapd資料的聚類分析及相關性分析研究，發現無葉假木賊和角果藜自然種群的遺傳結構與綠洲沙漠過渡帶的微生境生態因子（主要是土壤因子）相關，其中無葉假木賊亞種群遺傳多樣性水平不僅與土壤含水量（ w ） 、鉀鈉離子濃度（ k + na ）和氯離子濃度（ cl ）呈顯著的正相關（ p 0 . 05 ） ，還與土壤中有機質（ som ） 、全氮（ nt ）和全磷（ pt ）含量呈顯著的負相關；同時，角果藜種群的遺傳多樣性水平與土壤中有機質（ som ）和全氮（ nt ）含量呈顯著的正相關，而與co _ 3 ~ （ 2 - ）濃度呈顯著的負相關；除此之外，其它土壤生態因子與兩物種遺傳多樣性水平的相關性均不顯著（卜0 . 05 ） 。
  4. In view of the natural conditions in loess area of gansu, in the light of investigation conditions of seepage of built loess and weak rock highway tunnels in this area and classification of water gushing conditions for railway tunnels, and by engineering analogism, the classification of tunnel water gushing types suited the structure design of highway tunnel waterproof and drainage, and the three methods for checking and subdividing water gushing types are presented

    摘要針對甘肅黃土區的自然條件，依據該地區已建黃土及軟巖公路隧道滲漏水調查情況和鐵路隨道涌水狀態分類，運用工程類比法提出適合該地區公路隧道防排水結構設計的隧道涌水類型劃分及對涌水類型校核與細分的三種方法。
  5. Although the natural value theory of non - anthropocentric environment ethics has a certain impact to the basic idea of the philosophical axiology, it can ' t tell the difference between physical world and value world as the philosophical axiology does, thus sinking into the predicament of dualism

    摘要非人類中心主義環境倫理學的自然價值論，雖然對哲學價值論的基本觀念有一定的沖擊，但不能從哲學價值論的高度來區分物理世界和價值世界，陷入了二元論困境。
  6. Seven plots selected from wanglang reserve were distributed in different types of forest and at different altitude, and different plot has different microclimate. soil property, microbial population, soil nutrient content of forest soil were determined in wanglang natural reserve, from may to october 2002 to july 2003, the ecological distribution of three main groups, bacteria, actinomycete and fungi were determined in the forest soils by the cell enumeration methods. six kinds of physiological groups, including ammoniation bacteria, nitrification bacteria, nitrosification bacteria, aerobic autogenesis azotobacter, aerobic cellulose - decomposing bacteria and anaerobic cellulose - decomposing bacteria were enumerated by the most - probable number ( mpn )

    2001年10月在王朗自然保護區內設立了3個定位研究樣地和4個臨時樣地，通過多次現場采樣與室內實驗分析，測定了白樺林、岷江冷杉林、紫果雲杉林、繡線菊-羊茅群落、羊茅群落及高山柳灌木叢等6種不同植物群落內土壤微生物三大類群數量、功能微生物數量、土壤養分，並在固定樣地內使用埋袋法進行了三個埋藏深度的凋落物分解袋試驗，初步研究了枝條、闊葉、針葉等凋落物組分在不同分解階段所含養分的動態變化。
  7. During 2001 to 2002, observation and statistics were made on the dynamic status of migration, habitat form, habit of activity and population density of aves in the wetland of hengshui lake. the management and protection of bird resources are also discussed in the paper

    本文對衡水湖自然保護區鳥類的物種多樣性和季節動態、以及重要水鳥的繁殖和水鳥生境的重要性進行了研究，分析了衡水湖自然保護區水鳥面臨的威脅，並提出了保護對策。
  8. Through the analysis on the discrepancy between the indexes of land use and landscape structure of both the periods, the change of the eco - environment caused by the causations of both the nature and the human activities is pointed out that the total area of the studying region is somewhat reduced ; the alkali - saline land therein is utilized for fishery breeding ; a part of the unused land and water area are basified ; the sorts of landscape are rich and uniform and serious fragmentations are locally occurred

    通過分析兩期土地利用及景觀結構指數之間的差異性，指出由自然和人為原因引起的生態環境的變化：研究區總面積有所減少，鹽堿地改良後用于了魚蝦養殖，部分未利用地和水域鹽堿化，區域景觀類型豐富且均勻，局部破碎嚴重。
  9. Natural classification systems are based on more characteristics, and thus thus are better for predicting relationships

    自然分類系統是建立在更多的性狀上的一種能夠反應植物真實親緣關系的分類方法。
  10. Thi s paper proposes a new automatic natura1 1anguage text categorization modu1e based on concept. thi s modu1e takes howwenet as the main source of knowledge, the concepts of words as the bas ; is of text categorization. the concepts of words are reduced to sememes and the tc is performed in the classfiab1e sememe vector space ( csvs )

    本文提出了一個基於概念的自然語言文本自動分類模型，該模型以《知網》為主要的概念知識源，以詞所表示的概念為分類基礎，把概念繼續分解至義原，並在可分義原組成的向量空間進行文本分類。
  11. In this work, some species of palmae cultivated in the xiamen botanical garden had been selected to be analyzed their genetic diversity with rapd ( random amplified polymorphic dna ) technique. according to the result of genomic dna amplified with pcr ( polymerase chain reaction ), genetic distance and similarity between different palm species were calculated on nei " s estimate of similarity and genetic distance. a primary but first time research at the phylogenetic relationships of some genera and species, the molecular classification and identification of some puzzling species of palmae was carried out through upgma ( unweighted pair group mean average ) cluster analysis of the genetic distance together with comparative study of the morphological structure characteristics

    本文在初步調查分析了棕櫚科植物在我國的自然分佈、引種馴化情況以及該類植物在廈門地區栽培應用狀況的基礎上，首次採用rapd分子標記技術，對廈門萬石植物園引種的一些棕櫚科植物的遺傳多樣性進行了研究，根據pcr對基因組dna擴增的結果，用nei ' s相似性系數計算了不同植物間的遺傳距離和遺傳一致度，通過對遺傳距離的upgma聚類分析，並結合形態分類的特點，對棕櫚科植物的屬、種間的系統分類關系和一些疑難種的分類鑒定進行了初步研究。
  12. The evolution of land ecosystem has been researched basis on the theory of dissipation structure. 3 the comparison research about the land ecological classifies system. the scholar abroad and home hold a different point in land classification and methods

    其中有代表性的有二大類：一類是基於理論研究而建立的分類系統，其特點是理論性強，我們稱之為基礎理論分類系統或土地自然分類系統。
  13. In this paper, the brief history and the current condition in the classification of the genus acer linn. have been reviewed. i have also compared the precision of the ancestors ' studies and then studied the classificating evidence, the law of origin and evolution and geographical distribution. by identifying and studying the specimens, 1 ensure that there lie 20 species and subspecies and 8 varieties which belong to 3 subgenus in henan province. i add 3 species and 2 varieties which were not recorded in flora of henan such as acer tegnentosum maxim. a. tsinglingense fang et hsieh, a. shensiense fang, a. buergerianum miq. var. ningpoense ( hance ) rehd

    作者通過對河南槭屬植物的分類研究，確認了本省槭屬植物共計20種、 1亞種和8個變種，隸屬於3亞屬12組，增補了《河南植物志》中未記載的但河南有自然分佈的3個種、 2個變種：青楷槭acertegnentosummaxim .秦嶺槭a . tsinglingensefangethsieh 、陜西槭a . shensiensefang 、寧波三角槭a . buergerianummiq . var . ningpoense （ hance ） rehd .和蒿蘋四蕊槭a . tetramerumpaxvar . haopingensefang .訂正了《河南植物志》和《河南種子植物檢索表》中一些分類學問題。
  14. Twenty - six species in the genus begonia were recorded for different purposes as medicine, food, beverage and pig feed in china ( ornamental uses excluded ). among these twenty - six species recorded for different uses, twenty - four species are used as medicine, eight species are used as food ( vegetable ) or beverage, and five species are used as pig feed. three species are commonly used for making beverage in the areas of their natural distribution. nine species have multiple uses, either for medicine, for food, beverage or pig feed. our study also indicated that some species are becoming rare and endangered owning to over collection and other factors

    秋海棠屬植物除了具有較高的觀賞價值外，在中國還作為藥用、食用、飲料和飼料等被利用.本文應用民族植物學研究方法，通過野外調查、文獻和標本收集整理和研究，共記載了中國產26種秋海棠屬植物被作為藥用、食用、飲料和飼料加以利用.在所記載的26種國產秋海棠屬植物中，有24種作藥用， 8種作食用（蔬菜）或飲料， 5種作飼料. 3種作飲料的種類在其自然分佈地被廣泛利用. 9種秋海棠作為多種用途加以利用，其中8種既被作為藥用、食用和飲料，也被作為飼料加以利用.本研究還表明，國產秋海棠屬植物中，有些種類由於過度採集利用或其它因素已變得稀有或瀕危.由此提出，合理開發利用和有效保護應成為今後中國秋海棠屬植物研究的重要內容
  15. As the atom wiki states, the project creates " specifications for syndicating, archiving and editing episodic web sites. " i think that the defining characteristic of the domain atom addresses is not just web sites that are naturally broken into episodes, but also web sites that have a conversational nature through their interchange with other sites ; the episodes are often fueled by cross - reference to similar entries on other sites, and atom intends to be the glue for this interchange

    如atom wiki所宣稱的那樣，該項目要建立「連鎖、存檔和編輯情節式站點的規范」 。我認為， atom處理領域的定義特徵不僅僅是自然分解成情節的web站點，還包括那些與其他站點交互中具有會話性質的web站點。情節往往帶有對其他站點上類似實體的交叉索引， atom就是為了把這類交換粘結在一起。
  16. On the base of introducing the definition of the ecological footprint and its calculation and using current available research, the writer classifies the capacity of sustainable development according to the ecological remainder / deficit of all provinces ( municipalities directly under the central government, autonomous regions and hong kong, macao and taiwan ) of china with mapinfo platform

    摘要在介紹生態足跡的概念和計算方法的基礎上，利用現有研究成果，根據中國各省（市、自治區）及港澳臺地區生態贏餘生態赤字的大小，以mapinfo為平臺，用自然分類法對中國各地可持續發展能力進行分類評價。
  17. C. one feature of it will lead to the natural separation of web sites, usually into two groups ? authorities and hubs

    它的一個特徵是使網頁的自然分裂成二類? ?官方網站和關聯網站。
  18. At present, keyword extraction is an important technique used for automatic abstract, automatic classification, subject extraction, subject word extraction etc. the paper introduces a new technique of keyword extraction and key concept extraction based on web page, the design and implement of experimental system, and the application of the system in the search engine

    目前，由於計算機在自然語言理解方面還有很大的不足，關鍵詞提取是在進行文本自動摘要、文本自動分類、主題詞提取、主題提取等凡是涉及到文本信息理解的工作時，都要應用到的一項關鍵技術。本論文詳細介紹了一種基於web頁面的關鍵詞與關鍵概念提取技術及其實驗系統的設計與實現，並對該技術在搜索引擎中的應用進行了探討。
  19. Using stratified two - stage sampling, collaborated with the nature of processed data and hierarchical cluster, the design can fairly satisfy the requirements of different levels regarding to the economic development of yunnan province and its sampling technology

    摘要為適應雲南省經濟體制的發展，提高應用抽樣調查技術的水平，在考慮雲南省個體或私營企業有關調查數據特點的基礎上，設計了具有針對性的自然分層與聚類分層相接合的分層二階抽樣方案。
  20. Then this paper presents a text classifier based on neural networks ( nntcs ) as the main topic. some key techniques implemented in this classifier, such as feature extraction, dimension reduction, hierarchical classification and classifier training, are discussed in details

    然後著重介紹了一個基於神經網路的文本自動分類系統nntcs ，重點闡述了特徵提取、空間降維、層次分類和分類器訓練等技術的實現方法。
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