種系分枝 的英文怎麼說
中文拼音 [zhǒngxìfēnzhī]
種系分枝
英文
clade-
Fourth, the paper treats two kinds of hoisting projects of high alititude construction in bulk and member assembly, hositing machine and plan layout, setting up scaffold and joints, and installing trunks, branches and joints etc. then in detail discusses the method which applys total station to measure three - dimensional coordinate of dendriform structure, including selecting survey sign points, creating survey system and converting survey coordinate system etc. the paper also deep research on the welding performance, welding method, welding process, welding stress and control, welding strain and rectification, weld defects analysis and weld quality inspection, and so on complicated heterogeneity steel weld proplems
接著系統的論述了高空散裝法和分單元安裝法兩種樹狀結構吊裝方案，樹狀結構吊裝機械及平面布置，樹狀結構胎架及節點的搭設，以及樹狀結構樹干、樹枝和節點的吊裝工藝等諸多工藝問題。詳細的論述了採用全站儀對樹狀結構進行空間三維坐標測量的方法，包括測量標志點的選取、測量系統的建立及測量坐標的轉換等問題。深入地研究了樹狀結構可焊性、焊接方法、焊接工藝、焊接應力及控制、焊接變形及矯正、焊接缺陷分析及焊接質量檢查等復雜的異種鋼焊接問題。Seventeen important morphological characters were analysed to identify and evaluate genetic diversity of morphology of the lespedeza populations. fourteen vital morphological characters were studied using basic statistics, correlation analysis, factor analysis and cluster analysis. zymograms were analysed using eighteen alleles of seven allozymes
對14個關健形態學性狀指標的平均值、方差、標準差、變異系數等基本統計分析表明，胡枝子屬植物不同種間以及種內居群間在這14個重要形態學性狀上的遺傳差異較大，變異系數達28 . 89 122 . 36 （全生育天數除外，變異系數為4 . 72 ） 。In this paper, the basic characteristics of neilingding island ? s flora and their relationships with the neighboring floras were studied. the results show : ( 1 ) the vascular flora of neilingding island consists of 127 families, 367 genera and 551 species, of which 38 species of 25 genera and 20 families belongs to pteridophyta ; ( 2 ) the typical families of seed flora are lauraceae, rubiaceae, apocynaceae, annonaceae, euphorbiaceae, moraceae, aquifoliaceae, rutaceae, araliaceae, myrsinaceae, urticaceae, menispermaceae, araceae, palmae, etc. most of them also are the basic elements of cathaysian flora ; ( 3 ) 342 genera of seed plants in neilingding island can be classified to 13 types according to wu zheng - yi ? s " areal types of chinese genera of seed plant " ; the dominant geographical elements are pantropic genera ( 36. 05 % ), old world tropic ( 12. 54 % ), tropical asia ( 11. 60 % ), the total tropical elements made up to 84. 90 % of the total number of genera, but the typical and specialized tropical elements are scanty. most of them mainly distributes to sub - tropic or even to temperate zone ; ( 4 ) comparing the floristic composition of neilingding island with those of the neighboring regions, they is closely related to the flora of hong kong which is situated to the east of neilingding island. they all are belonged to the south china province of cathaysian kingdom
通過對廣東內伶仃島的維管植物區系進行全面考察、採集、鑒定和研究，結果表明: （ 1 ）共有野生維管植物127科367屬551種，其中蕨類植物20科25屬38種，種子植物107科342屬513種， 12種為廣東新記錄; （ 2 ）種子植物區系的表徵科主要有:樟科、茜草科、夾竹桃科、番荔枝科、大戟科、桑科、冬青科、蕓香科、葡萄科、五加科、紫金牛科、蕁麻科、防己科、天南星科、棕櫚科等; （ 3 ）屬的地理成分以泛熱帶分佈為主，其次為舊世界熱帶及東亞分佈; （ 3 ）通過與鄰近地區植物區系的比較，發現內伶仃島與香港植物區系相似性最高，與古田、古兜山的相似性次之，而與南崑山的相似性較低，它們均屬于華夏植物區系界的華南省。Serious cross reation existed between v. albo - atrum and mv2, mv3, mv4. the other pathogen isolates v31 and v32 also had cross reactions, but the reaction was not serious. because limited number of pathogen isolates were selected, it could not prove that the selected immunogen was widely presentative, more pathogens isolates should be tested to verify the acquired hybridomas cells
5株單抗雜交瘤細胞中沒有一株具有種或屬的特異性，其中mv2在棉花黃萎病菌若干菌系間的檢測表明其能夠區分不同的致病類型； mv1和mv4組合檢測的結果基本上能將棉花大麗輪枝菌鑒定到種；黑白輪枝菌與mv2 ， mv3 ， mv4的交叉反應比較強烈，其他菌株v3 ， v32有個別的交叉反應，但不強烈If possible, also, they should be branched or reticulated with other ways of a similar class, so that no part of the town should finally be many minutes ' walk from some one of them ; and they should be made interesting by a process of planting and decoration, so that in necessarily passing through them, whether in going to or from the park, or to and from business, some substantial recreative advantage may be incidentally gained
如果可能，它們還應該在一個簡單明確的枝狀或網狀系統中，這樣從城市中的任何一部分都不會花費很長時間來到達另外一處；並且也應該通過種植和裝飾的來是其充滿趣味，這樣，在必要的穿行中，無論是去公園還是從公園返回，或者往返工作之間，都要使人順便獲得實實在在的休閑。Abstract : a cad tool based on a group of efficient algorithms to verify, design, and optimize power / ground networks for standard cell model is presented. nonlinear programming techniques, branch and bound algorithms and incomplete cholesky decomposition conjugate gradient method ( iccg ) are the three main parts of our work. users can choose nonlinear programming method or branch and bound algorithm to satisfy their different requirements of precision and speed. the experimental results prove that the algorithms can run very fast with lower wiring resources consumption. as a result, the cad tool based on these algorithms is able to cope with large - scale circuits
文摘:介紹了一個基於標準單元布圖模式的電源線/地線網路的輔助設計集成工具.它應用了一系列高效的演算法，為用戶提供了電源線/地線網路的設計、優化和驗證的功能.非線性優化技術、分枝定界演算法和不完全喬萊斯基分解的預優共軛梯度法是該工作的三個主體部分.用戶可以選擇使用非線性規劃的方法或者幾種分枝定界方法來滿足他們對于精度和速度方面的不同需求.實驗結果表明，文中所提供的演算法可以在很快的運行速度下實現更低的布線資源佔用.因此，在這些有效演算法基礎上實現的輔助設計工具具有處理大規模電路的能力Through the studies on the anatomical configuration of eight different interstocks apple ( red fuji ) branches using microscope and vernier caliper, we can show that the pith proportion was positive correlative with the growth potential of apple tree if they have close kin
摘要採用番紅固綠染色法並結合使用顯微鏡和游標卡尺，分別對8種不同中間砧的紅富士蘋果枝條解剖結構進行了研究，結果表明：親緣關系較近的品系，髓部面積與樹體的生長勢呈正相關。Branch - - the graphical representation of an evolutionary relationship in a phylogenetic tree
分枝- -在種系發生樹中，物種演化相互關系的圖示。The assignment of the load of the steam turbine can be solved by the reverse follow, the assignment of the load of the boiler can be solved by dsfd
根據兩種規劃問題的特點，汽輪機系統負荷分配問題採用分枝限界反向跟蹤的優化演算法來求解，鍋爐系統負荷分配問題採用轉動坐標軸直接搜索可行方向法（ dsfd法）來求解。These results revealed that there may be a complicated interaction among the three signal moleculars no, sa and h2o2 in the responses of arabidopsis to toxin of verticillium dahliae. the interaction played important function in the defence reactions of arabidopsis
綜上所述，在大麗輪枝菌毒素與擬南芥幼苗的互作反應中，信號分子no 、 sa和h _ 2o _ 2之間可能存在復雜的相互關系，這種相關性在誘導擬南芥幼苗的防衛反應中起重要的調控作用。In original and jamming slightly vegetation, because dead roots, branch and leaves back to soil, soil organic matter higher, soil available phosphorus higher, too ; chemical and physical characters of soil were stabilization. the reason were original vegetation have more species and structure of community was stable. the degradation of fertility and structure of soil in secondary vegetation was influenced by change with structure and form of community
在人為干擾小的原生性森林，植物種類豐富，群落結構穩定，植物死根系和枯枝落葉全部回歸土壤，土壤有機質含量高，養分呈有機態為多，故有效磷較高，土壤理化性質較穩定；次生植被群落土壤結構和肥力的退化是由於群落組成和結構的改變導致枯枝落葉成分和土壤發規白山地還小問沙消民俗一非定俗地征王卿喬忡旺w比收財育環境差異而引起，次生植被土壤的退化狀態隨植被退化程度不同而有差異。In this paper, adopting the several common use parameters and methods of systematic sort - average - clustering, author researched the insect community ( including spider ) in harmless control section, general and blank control sections during nov, 2001 to oct, 2002 in shenzhen city. the results indicate : the insect community in shenzhen city includes 18 orders ( insecta : 16 orders, spider : 2 orders ) and 369 species
本論文採用群落性質的幾個常用參數及系統類平均聚類法，於2001年11月至2002年10月對深圳市荔枝無公害防治園、常規防治園及空白園昆蟲群落（包括蛛形綱）進行了分析研究，結果表明：深圳市荔枝園昆蟲群落共包括18個目（昆蟲綱16個目和蛛形綱2個目） ，共369種。Firstly, some basic algorithms for inducing decision tree are discussed, including id3, which uses information gain to select a splitting attribute when partitioning a training set ; c4. 5, which can deal with numeric attributes ; cart, which uses gini rule in attribute selection and induces a binary tree ; public, which puts tree pruning in the tree building phase ; interactive method, which puts artificial intelligence and human - computer interaction into the procedure of decision tree induction ; as well as sliq and sprint which are scalable and can be easily parallelized. advantages and disadvantages of these algorithms are also presented
文中詳細闡述了幾種極具代表性的決策樹演算法：包括使用信息熵原理分割樣本集的id3演算法；可以處理連續屬性和屬性值空缺樣本的c4 . 5演算法；依據gini系數尋找最佳分割並生成二叉決策樹的cart演算法；將樹剪枝融入到建樹過程中的public演算法；在決策樹生成過程中加入人工智慧和人為干預的基於人機交互的決策樹生成方法；以及突破主存容量限制，具有良好的伸縮性和并行性的sliq和sprint演算法。Considering the deterioration series of populations, deterioration degrees led to morphological variations. with the increasing of grassland deterioration, vegetative tiller length and reproductive tiller length became shorter. medium sized bunch, small sized bunch, reproductive tiller percentage, reproductive tiller number were reduced
退化系列種群的形態變異隨退化程度而異，營養枝和生殖枝長度隨著退化的加重枝條長度變短，中、小株叢減少，生殖分配減少，生殖枝數量減少。First, we do not know what kind of bifurcation will happen in advance, it is difficult to choose what kind of regular extended system for detecting them. second, if there are higher order singularities, even the multi - dimensional null space, one parameter is not enough for establishing a regular extended system
首先考慮單參數非線性問題，如果參數的個數足夠多，在延拓過程中通過求解各種正則的擴展系統可以求出方程解枝上存在的各種高階奇異點，例如高階折疊點、橫截式分歧點、音叉式分歧點等。The combination of the subtree - based storage model with the document - based to ensure the efficiency and integrality of the data retrieval for all sorts of heterogeneous and context mixed data to the fullest extent ; 2. dynamically branching and merging combined with the data mapping mechanism, supports the xml document efficiently and can improve the operation capability of the system to some extent ; 3. referring to the characteristic of xquery, it presents a new operation language for xml data, xqul, which supports the query operation as well as the update operation on xml ; 4
本文提出了一套較為通用的非結構化信息的nativexml文檔存儲訪問策略和實現方案作為對非結構化信息存取機制研究的探索和嘗試，主要包括下列理論及技術: 1 .基於子樹和基於文檔的存儲模式相結合，以最大程度保證底層各類形式異構和內容混雜的數據存取的有效性和完整性; 2 .動態分枝合成技術和數據映像機制的引入，實現對xml文檔的有效支持，並在一定程度上提高系統處理性能; 3 .結合xquery查詢語言特點，提出一種新型xml數據操作語言xqul ，支持xml數據的查詢以及更新操作; 4 .三種索引（文檔索引、結構索引、值索引）的建立，為xml數據提供從站點到文檔，從文檔到元素的多級訪問策略。In lacs, considering the characteristics of classification, we suggest two pruning strategies to confine the generation of concept nodes in the procedure of building concept lattice so that the number of nodes generated decreases greatly
在lacs系統中，針對分類系統的特點，我們提出兩合肥工業大學博士學位論文種重要而有效地剪枝策略來限制格構造過程中的節點生成，從而大大減少了所需生成的格節點數目分享友人