相似性系數 的英文怎麼說

中文拼音 [xiāngsìxìngxìshǔ]
相似性系數 英文
likeness coefficient
  • 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...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 相似性 : [物理學] similitude; similarity相似性定律 similar law; 相似性法則 similarity rule
  • 相似 : 1. （相像） resemble; be similar; be alike 2. （相像處; 類似物） similarity; similitude; analogue
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. The emphasis in this section is on the fundamental principles on which the response factor and similitude analyses are based.

    本節重點放在響應系數和相似性分析所依據的基本原則上。
  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. Based on the reseaching of lycoris leaf micro - morphology characters by sem scanning, light microscope viewing and using paraffin method in the article, we try to provide the proofs of experiment and the efffective characer indexes to discuss the system and evolution of the lycoris. we find these microscope characers through reseach are as follows : the arrangement type, density and the length of stoma ; the shape and length of the epidermal cells ; the ridge of epidermis ; the transverse shape of leaf ; the number of the vascular bundle ; the style of vessel arrangement of vascular bundle in the middle vein ; the layers of palisade tissue ; the ratio of the thicken of palisade tissue to that of spongy tissue ; the angle number of the middle leaf ; the type of ventilating cavity etc. these characters are different from those of species in lycoris, meanwhile these characters are similar to those of some species in lycoris. so these characters can be used as the character indexes for differentiating species and reseaching systematic evolution of lycoris ; we can divide lycoris into two subgenus by these characteristic indexes : the species of one subgenus are l. aurea ( l " her. ) herb, chinensis traub, l. caldweuii traub, l. anhuiensis y. hsu et q. j. fan, l. longituba y. hsu et q. j. fan ; the species of another subgenu s are l. houdyshelii traub, l. albiflora koidz.,

    研究結果表明：葉表皮的氣孔排列方式、長度、長寬比，脊的明顯與否，葉表皮上的顆粒紋飾的多少、大小，葉表皮細胞長度、長寬比、垂周壁形狀，上部葉柵欄組織細胞層數、葉的維管束數、葉中脈導管組成數目，氣腔類型，葉的脊部遠軸面的角數，葉緣的形狀等這些特徵在種間存在差異，同時，在有些種之間又有相似性；因此，這些特徵既可以作為區分種的證據，又是研究石蒜屬植物系統演化的性狀指標，根據這些性狀指標，可以將石蒜屬植物大致分為兩個亞屬：一是忽地笑、中國石蒜、短蕊石蒜、安徽石蒜、長筒石蒜，二是江蘇石蒜、乳白石蒜、石蒜、玫瑰石蒜、稻草石蒜；在兩個亞屬中其中有些種如忽地笑、長筒石蒜、中國石蒜的親緣關系則更近些。
  4. In the preprocessing stage the method of user and session identification often adopt heuristic algorithm for the being of cache and agent. this induce the uncertainty of data resource. the cppc algorithm avoid the limitation and has no use for complicated hash data structure. in this algorithm, by constructing a userld - url revelant matrix similar customer groups are discovered by measuring similarity between column vectors and relevant web pages are obtained by measuring similarity between row vectors ; frequent access paths can also be discovered by further processing of the latter. experiments show the effectiveness of the algorithm. in the fourth part, this thesis bring some key techniques of data mining into web usage mining, combine the characteristic of relation database design and implement a web usage mining system wlgms with function of visible. lt can provide the user with decision support, and has good practicability

    本文演算法避免了這個缺陷，且不需要復雜的hash數據結構，通過構造一個userid - uel關聯矩陣，對列向量進行相似性分析得到相似客戶群體，對行向量進行相似性度量獲得相關web頁面，對後者再進一步處理得到頻繁訪問路徑。實驗結果表明了演算法的有效性。第四是本文將傳統數據挖掘過程中的各種關鍵技術，引入到對web使用信息的挖掘活動中，結合關系數據庫的特點設計並實現了一個具有可廣西人學頎士學位論義視化功能的web使用挖掘系統wlgms 。
  5. The tank model with scale of 1 : 5 is built and model test is carried out. by dimension analysis, resemblance between archetype and model is confirmed. 2

    設計製作了比例系數為1 ： 5的罐體結構模型；通過對影響平臺罐體受力狀態的各主要物理量的量綱分析，確定了模型與原型結構的相似性；並進行了模型試驗。
  6. 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 % ） 。
  7. Finally, in the third section, by constructing some functional which similar to the conservation law of evolution equation and the technical estimates, we prove that in the inviscid limit the solution of generalized derivative ginzburg - landau equation ( ggl equation ) converges to the solution of derivative nonlinear schrodinger equation correspondently in one - dimension ; the existence of global smooth solution for a class of generalized derivative ginzburg - landau equation are proved in two - dimension, in some special case, we prove that the solution of ggl equation converges to the weak solution of derivative nonlinear schrodinger equation ; in general case, by using some integral identities of solution for generalized ginzburg - landau equations with inhomogeneous boundary condition and the estimates for the l ~ ( 2 ) norm on boundary of normal derivative and h ~ ( 1 ) ' norm of solution, we prove the existence of global weak solution of the inhomogeneous boundary value problem for generalized ginzburg - landau equations

    第三部分：在一維情形，我們考慮了一類帶導數項的ginzburg ? landau方程，通過構造一些類似於發展方程守恆律的泛函及巧妙的積分估計，證明了當粘性系數趨于零時， ginzburg ? landau方程的解逼近相應的帶導數項的schr （ ? ） dinger方程的解，並給出了最優收斂速度估計；在二維情形，我們證明了一類帶導數項的廣義ginzburg ? landau方程整體光滑解的存在性，以及在某種特殊情形下， gl方程的解趨近於相應的帶導數項的schr （ ? ） dinger方程的弱解；在一般情形下，我們討論了一類ginzburg ? landau方程的非齊次邊值問題，通過幾個積分恆等式，同時估計解的h ~ 1模及法向導數在邊界上的模，證明了整體弱解的存在性。
  8. 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。
  9. 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。
  10. 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。
  11. 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。
  12. 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 。
  13. 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。
  14. 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。
  15. 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。
  16. 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。
  17. 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 。
  18. 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。
  19. 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。
  20. 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。
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