相似數系 的英文怎麼說

中文拼音 [xiāngsìshǔxì]
相似數系 英文
similar systems of numbers
  • 相 : 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...
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 相似 : 1. （相像） resemble; be similar; be alike 2. （相像處; 類似物） similarity; similitude; analogue
  1. A variety of methods including the tabular comparison of data, the tabular comparison of similarity coefficient, the nearest neighbor method and the group - average method of hierarchical agglomerative classification were applied to investigate the forest communities in meizi lake area

    森林植被樣地中以喬木層樹種的重要值為指標，採用紙條排隊法、群落相似系數分類法、最近鄰體法、組平均法對梅子湖森林植被樣地進行數量分類。
  2. 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。
  3. The gymnosperms of jiangxi province interacted with areas being connected with jiangxi province through nanling mountains, wuyi mountains and luoxiao mountains, the similarity coefficient indicates that there is close relationship between gymnospermous flora of jiangxi province and those of southern china or central china or southeasten china ( similarity coefficient above 50 % ), while far relationship between jiangxi and shanxi province ( northern china ) ( similarity coefficient 6. 1 % )

    江西現代裸子植物通過南嶺山脈、武夷山脈和羅霄山脈等與周邊地區聯系密切，相似性系數顯示江西裸子植物區系與華南、華中、西南聯系密切（相似系數皆大於50 % ） ，與華北比較疏遠（相似系數為6 . 1 % ） 。
  4. The status of plot determines the plant ' s growth rate. there is a big difference among species ( including 16 fccsetcses )

    各年齡狼牙刺和檸條之間物種組成有顯著差別，相似性系數在0 . 23 0 . 39之間。
  5. The design cases are stored by relational database. the similar case can be obtained from the database by direct code retrieving and similarity coefficient computing. different overwrite mechanisms are used to overwriting different case database, for example, deriver overwriting for working parts, cbr for standard parts and feature - modeling for non - standard parts

    通過對沖裁模設計過程的分析，將設計方案組織成沖裁件及對應的沖裁模實例庫，採用簡單實用的編碼法對實例進行編碼；利用關系數據庫存儲實例，直接通過對編碼的檢索和相似性系數的計算得到相似實例；採用派生改寫法改寫工作零件，基於cbr的數據庫改寫標準件，特徵造型法改寫非標準件。
  6. Because of the method is convenient and fast, and no molecular information about the species to be studied is needed, rapd is widely used in many areas such as study of phylogenetic tree and genetic diversity. we studied 32 crested ibises from yong county and 5 crested ibises from beijing zoo by rapd

    我們採用rapd技術對來自洋縣的32隻朱?和來自北京動物園的5隻朱?進行了研究，根據實驗數據計算了任意兩個個體之間的相似性系數和遺傳距離，分別用upgma法和簡約法構建出其譜系關系，並對種群的遺傳多樣性作了初步的探討。
  7. Broadleaf forest is most similar to broadleaf bush, and they cluster together with each other when similarity coefficient is 0. 4085, then with grassland bush when 0. 3304, and with bamboo forest at last when 0. 1904

    闊葉林和闊葉灌叢最相似，在相似性系數為0 . 4085時聚為一類，然後在相似性系數為0 . 3304時與灌草叢聚為一類，最後在相似性系數為0 . 1904時與竹林聚為一類。
  8. Qiupu river mandarinfishes have higher intra - population similarity index value than the other two populations, which showed that there were less genetic variations in qiupu river population, as well as differentiations have been generated between qiupu river mandarinfishes and changjiang mandarinfishes. 2. the genetic distance between qiupu river population and changjiang population is the cloest, which is 0. 0411, and genetic distance between qiupu river population and wanfuhu population, between changjiang population and wanfuhu population is 0. 1766, 0. 1230 respectively

    秋浦河鱖魚、長江鱖魚、萬佛湖鱖魚群體內的遺傳相似性系數分別為： 0 . 9063 、 0 . 8839 、 0 . 8931 ；群體間的遺傳相似性系數分別為：秋浦河鱖魚和長江鱖魚0 . 8590 、秋浦河鱖魚和萬佛湖鱖魚0 . 7956 、長江鱖魚與萬佛湖鱖魚0 . 8178 。
  9. The results shows that the community richness, species diversity indices and evenness of tree layer and shrub layer share the same order, of which is higher in pure limestone region than that of in pure dolomite region, but it reverse in herb layer ; the coefficient of similarity is considerably low between all plots, while species turnover rate is quite high among the plots and is higher in dolomite region than that of in limestone ; in different karst regions, karst processing leads to niches diversity characterized by special morphologies and special element geochamical features, and therefore affect the dynamic and features of plant communities

    我們在最有代表性之一的貴州茂蘭喀斯特森林保護區選取純灰巖和純白雲巖兩種巖性的喀斯特環境，對其元素地球化學特徵及其中原生性植物群落的相異性和物種多樣性進行了對比，結果發現：不同巖性區域多樣性：喬木層和灌木層為純灰巖區純白雲巖區，草本層為純白雲巖區純灰巖區，總體上純灰巖區的高於純白雲巖區的；各樣地間的相似性系數都很低，相同巖性類型內的明顯高於不同巖性類型之間的相似度；物種周轉率高，且白雲巖區高於石灰巖區，種類組成差異明顯；喀斯特區可溶巖地球化學背景通過喀斯特作用導致特殊的地形條件與元素地球化學特徵，並引起局部小生境的分異從而影響植物群落特徵。
  10. On comparing the composition of its flora with some neighbouring floras, gmnr is most similar to lianhua mountain and dinghu mountain, the representative flora of the " southern subtropical region ". the tropical elements in gmnr flora are obviously less than those in the jianfengling flora which is the " northern tropic region ", and the temperate ones less than those in the lushan mountain flora and the jiulong mountain flora, the representative flora of the " middle subtropical region ". as shown by the coefficient of similarity of flora and the clustering analysis of geographical elements, gmnr flora has a close relationship with others in guangdong, such as the flora of lianhua mountain, dinghu mountain, qimuzhang and chebaling, and the influences of tropic elements on those flora become less and less with the latitude ' s increase

    本文通過區系相似性系數比較和地理成分聚類分析，認為古兜山與蓮花山、鼎湖山、七目樟和車八嶺植物區系的聯系都很密切，廣東植物區系受熱帶成分的影響有從低緯向高緯、由沿海到內陸逐漸降低的趨勢：古兜山植物區系受熱帶成分入侵最為強烈，蓮花山和鼎湖山受熱帶成分的影響有所降低，七目樟植物區系受熱帶成分的影響進一步降低，車八嶺植物區系受熱帶成分的影響最弱。
  11. 15 lawrence r, barker k. integrating relational database schemas using a standardized dictionary. in proc. the 2001 acm symp

    我們的框架改進了momis框架中提出的相似性系數，用其計算模式元素之間的相似性。
  12. Community similarity is measured by sorenson coefficient and cluster analysis is used at the same time. the results show that similarity between habitats is slightly low

    群落的相似性用sorenson相似性系數測度。結果表明，各類型生境之間的相似性較低。
  13. Coefficient of similarity = no. of shared genera ( species ) between kunyu mountain and other mountains ( except cosmopolitan ) / no. of genera ( species ) in kunyu mountain ( except cosmopolitan )

    相似性系數=甲、乙兩地共有屬數（種數） （不包括世界分佈屬） /甲地屬數（種數） （不包括世界分佈屬） 13 。
  14. Fifthly, the paper discusses how to obtain common platform by the similar coefficients of geometry shape, materials, manufacturing process and function on the basis of explaining information between product structure and module

    第五，在論述產品結構與模塊間信息關系的基礎上探討基於幾何形狀、原材料、加工過程及功能相似性系數獲取通用平臺。
  15. Primers of ecori were signed with fluorescent dye and four pairs of primers were selected from twenty - four pairs. 261 dna fragments were generated by the four pairs of primers in forty - three individuals sampled. percentage of polymorphic bands is 51 %, the value of shannon index ( i ) is 0. 086 and nei ' s gene diversity ( h ) is 0. 151

    統計這些aflp表型帶標記，用popgene軟體計算各種多樣性數據（ ppb值為51 ， shannon多樣性指數為0 . 086 ， nei ' s基因多樣性值為0 . 151 ） ：用ntsys軟體計算各個樣品間的相似性系數，並用upgma法基於相似性系數進行聚類分析，構建樹狀圖，它們可反映出元寶山冷杉種群內個體間的遺傳關系。
  16. In this dissertation, based on the dynamic similitude theory and the similitude theorem, the artillery full parameters similitude relationships of the internal ballistics, the artillery intensity, the artillery dynamic, the major artillery components, and the emplacement soil were established. the mutually relationship of all parameters in the system was established. the full parameter artillery physical simulation theory was firstly established

    本文以力學相似理論為基礎，利用相似定理，對火炮內外彈道、火炮強度、火炮動力學、主要功能部件、炮位土壤建立了火炮全參數相似關系；確定了全系統各相似參數之間的相容性；首次創建了火炮全參數物理模擬理論。
  17. By using of simulated annealing algorithm, attribute weights of hierarchy clustering model were optimized in terms of weights allocation quotas, which was used to improve the case retrieval efficiency and quality

    基於模擬退火演算法對特徵屬性的權重值進行優化，通過在相似度檢索模型中加入權值分配的指導信息，防止檢索出的相似度系數最大的事例並非最佳事例，提高了檢索的質量。
  18. On the base of similarity theory of fluid system, the similarity numbers are analyzed, and the similarity relationship between the original model and the analogue model is researched, and much experiment has been carried out. in order to get experiment data, a computer measure system has been developed, which is mainly made up of host computer ( pc ) and extension computer ( by scm mainly )

    本文在流體力學中流動體系的相似理論基礎上，推導了流場的相似準數，分析了各相似準數在模型中的作用，得出了原型（試驗臺）的流動狀態與實船的相似關系，並據此為理論依據在原型（試驗臺）上進行試驗研究。
  19. Damage mechanism and weak positions of the structure under earthquake are considered. in the modal analyses, the frequency analogical ratio between scale models with less ballast and their prototype is derived

    在模態分析中，根據相似關系推導出配重不足情況下原型與模型結構的周期相似系數。
  20. The elastic solution for elastic - plastic problem is based on model theory of elastic - plasticity and deformation theory of plasticity. with the original data which embodies the stress state of complicated structure at elastic phase and is attained by experiment or calculation, according to the similarity theory between elasticity and plasticity and generalized stress - strain material curves, and using new means and new techniques, this method and change the elastic value into plastic value correspondingly

    結構彈塑性分析的彈性解法是以彈塑性力學的模型理論和塑性力學形變理論為基礎的，具體做法是利用實際工程中由實驗或者計算等方法獲得表徵復雜結構彈性階段應力狀態的原始數據，根據彈性力學和塑性力學方程的相似關系和被實驗材料的廣義應力應變曲線，採用新的分析方法和實驗手段，將彈性解轉換成對應的彈塑性解。
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