樹發屬的一種 的英文怎麼說
中文拼音 [shùfāzhǔdeyīzhǒng]
樹發屬的一種
英文
tree hair-
The results show that ( 1 ) loops are in general more variable than stems, and in loops a strong adenine bias are observed : ( 2 ) there does not exist a saturation effect in stems, loops or all positions of the 16s rrna gene fragments : ( 3 ) in the molecular cladogram, bagarius forms a sister group with glyptothorax, and euchiloganis forms a sister group with pareuchiloglanis, and exostoma forms a sister group with glyptosternum : ( 4 ) the phlogenetic positions of pseudecheneis, exostoma and glyptosternum are not recognized ; the glyptosternoid fishes are not monophyly although they are defined by 13 osteological apomorphies ; the incongruence of cladograms between molecular and morphological sets may be caused by less informative sites of the 550 homologous sites ; ( 5 ) e. davidi and e. kishinouyei could be the same species according to the genetic distances ; p. sinensis and p. anteanalis could be too
結果表明: ( 1 )環區平均變異位點較莖區多,有很強的a偏好性; ( 2 )沒有替代飽和現象; ( 3 )分子系統樹上?屬和紋胸?屬構成姐妹群,石爬?屬和?屬構成姐妹群, ?屬和原?屬構成姐妹群; ( 4 ) ?屬、原?屬和褶?屬的系統發育位置不定, ? ?魚類並未形成一個單系類群;可能的原因是所得到的16srrna基因片段信息位點太少; ( 5 )青石爬?和黃石爬?可能是同一物種,中華?和前臀?可能是同一物種。Rapid prototyping technology changed the traditional pattern of product design, which could offer product sample for the designer, reduced design cycle and quicken the schedule of new product design, and it gave the decision - makers visual feeling. ; rp technology provided kinds of molds including resin - boncled mold laminate mold, investment mold and lost foam casting mold and so on for sand casting investment casting and cavityless casting, it could also use direct shell production casting to make pattern dies metal dies die - casting dies injection dies directly, and it could even produce casting products in small scales. the applications of fdm technology in plaster precision casting and the rapid casting technology based on sls technology were introduced, the organic combination between rapid prototyping tecnnology and foundry process, which initiated a new period of rapid manufacturing metal parts, by using advanced new technology alternated traditional foundry industry to make it looked brand - new, thus, the competition of foundry industry would be improved ; rapid prototyping technology offered a rapid economical feasible technical method, common processes of using rapid prototyping technology to produce dies were discussed, in the paper it explored that. the problem of combining rapid prototyping technology with electric arc metal - spraying technology to make metal dies and technics in dies manufacturing of combining rapid prototyping technology with precision casting, rapid tooling based on rapid prototyping, integrated advanced new technology and tradition technology of rapid prototyping manufacture, each superiority were exerted, rapid prototyping technology had been an efficiency measure to rapid update products and develop new product, and to middle -
快速成型技術改變了傳統的產品開發模式,可以為設計者提供產品樣件,縮短設計周期,加快新產品的開發進度,為決策者提供直觀性;快速成型技術迅速提供砂型鑄造、熔模鑄造、實型鑄造用的各種模樣,包括樹脂模、層壓模、熔模和消失模等,還可採用直接制殼鑄造法直接製造熔模鑄造用的壓型、金屬型、壓鑄型、注塑模,甚至直接製造小批量鑄件,介紹了熔積成型技術在石膏型精密鑄造上的應用和基於選擇性激光燒結技術的快速鑄造技術,快速成型技術與鑄造工藝的有機結合,開創了快速製造金屬零件的新階段,對用高新技術改造傳統的鑄造工業,使其面貌煥然一新,增強鑄造行業的競爭能力;快速成型技術為母模的製造提供了一條快速、經濟、可行的技術途徑,討論了利用快速成型技術製造模具的一般工藝方法,探討了將快速成型技術與金屬電弧噴鍍技術結合起來快速製造金屬模具問題,以及快速成型技術與精密鑄造技術相結合的模具製造工藝,基於快速成型製造的快速模具技術,集成了快速成型製造高新技術和傳統技術,發揮各自優勢,已成為產品快速更新換代和新產品開發及中、小批量生產的有效手段之一。Foshan awing international doors manufacturing co., ltd with its predecessor as naihai guangdong goldfinch aluminium product co. ltd is located in china aluminium alloy capital - - - - nanhai with an area of 30, 000 sq. m, which is specialized in developing and manufacturing aluminium alloy door, we are building our new factory, which will accommodate our other four factories like tougher glass factory, door fittings factory, etc
香港澳威國際門業有限公司致力於開發各種新型、實用、環保輕金屬門類建築裝飾材料,經過多年的經營與發展,現已具備較大規模的開發設計、生產銷售能力,並在國內樹立一定知名度的品牌形象,設立了300多家銷售分支機構。In the future, whether she will be in the lead as a sustainable developed country of the first class or she is dying because of the short - term development depends on the future of the students - masters of the environment, the designers and builders of the environment of china. environmemtal education is necessary and important basing on the actions of the masters, designes and builders of china
中國在未來,在21世紀是屬于可持續發展的國家立於世界民族之林,還是因為竭澤而漁的短期行為而亡國滅種,在很大程度上取決于現在的中學生? ?未來環境的主人,國家的建設者和決策者,是否樹立起與可持續性發展相一致的環境意識和行為? ?環境教育勢在必行。The analysis of these two sequences and reported sequences ( three families, 15 sequences in total ) by nj method and the simplest principle shows, the evolutionary trees established by these two methods are consistent and the sequences of the same family constitute one group. the sequences of thaliana and the sequences of brassicaceae each makes up a sub - group in it. the sequences of violaceus distribute in brassicaceae sub - group and this phenomena shows that the relationship is very near
我們對這些序列與已發表的相應序列(合計3個科, 15個序列)用nj法和最簡約性分析,結果表明:由兩種方法構建的進化樹是一致的,同一科的序列形成一組:在十字花科組的分之圖中,來自於擬南芥屬的序列與來自於蕓墓屬的序列又各自形成亞組;來自於諸葛菜屬的序列分佈在蕓墓屬的分之圖中,揭示出諸葛菜屬與蕓矍屬有著極其近的親源關系。Xt - yb - 1 is a development of the new company and quartz sand mixed casting artificial marble ( genus said : quartz resin ) resin, the resin curing exothermic peak at the low shrinkage of small, high surface hardness of products, not radioactive
1是我公司新開發的一種和石英沙混合澆鑄人造大理石(屬稱:石英樹脂)樹脂,該樹脂固化時放熱峰低、收縮率小,製品表面硬度較高,沒有放射性。A biomass industry spokesman said : if biomass takes off, then farmers could plant thousands of acres of land with energy crops such as willows and miscanthus, or elephant grass, a bamboo - type grass which would be harvested to fuel small power stations. ten per cent target
一位生物質產業發言人說: 「一旦生物質能源發展起來,當地的農民便可以種植數千英畝的能源作物,比如柳樹,芒屬植物或者象草(一種像竹子的草)等等。To the problem that finding rules in enormous data is very time - consumable and the expansibility of existed algorithms is not very good, the thesis proposes a new method to discompose large data table based on the concepts of positive region and the importance of attribute in rough set theory. existed algorithms of rule deduction can be applied directly on the tree structure obtained by partition and the times for computation will be reduced observably. validation of information entropy on the partition structure shows that the partition of data table will not lead to the loss of information, while the computing speed increases at the same time, which reflects the practicability and rationality about the partition of large data table
針對海量數據處理起來極為耗時,現有演算法拓展性較差的問題,基於rough集理論中的集合正域概念以及由此定義的屬性重要性概念,提出一種大型數據表分解演算法,現有的規則歸納演算法可直接在分解得到的樹型結構上應用,將大大降低知識發現的時間,並從信息理論的角度利用信息熵概念對該分解結構進行了驗證,分析了這種分解的實用性及合理性,揭示了這種分解結構在提高計算速度的同時不會損失信息量。Our simulation shows that the path will not be improved obviously with the further increase of k, when it reaches a certain value. in addition to this, the dissertation shows that when rh = 3 and rh = 4, the results are similar. 2. in regard to the application layer routing of tree - based p2p multicast, the dissertation presents a new kind model of spanning tree, named dcmd, in which the path delay, the
2 .在基於樹的p2p組通訊的傳輸路徑方面,抽象了一個新的生成樹問題? ? dcmd問題,該問題同時考慮了線路延遲、主機的發送/轉發延遲和每個主機的工作負載有限三種情況,可以更加全面地刻畫出構建在應用層的p2p組通訊;證明了這個問題屬于np - hard ;提出了基於最大度和基於最長路徑兩類啟發式演算法作為解決該問題的途徑。In this thesis, the sls molding properties of some metal - base composite powders composed of metal powder mixed by several regularly used polymers " powder were studied, on the basis of which, a new sls composite material made by 316 stainless steel powder mixed by epoxy powder was developed and produced. the molding technics and adherent mechanism of the material in sls process was analyzed and studied, and the high temperature sintering technics of the green parts of the material was discussed as well
本文主要針對快速成型的sls方法,研究比較了幾種常用的聚合物粉末添加到金屬粉末中所構成的金屬基復合粉末的成型性,並且研製開發了316不銹鋼粉末與環氧樹脂粉末共混復合粉末作為成型材料,對其sls過程的成型工藝、聚合物粘接機理以及型坯的高溫燒結工藝進行了研究論述,並進一步對型坯的高溫燒結過程、燒結中的收縮變形和燒結后的強度作了分析研究。With rich data hi tram tickets system, how to mine useful knowledge is an important problem. applying the technology of classification hi train tickets analysis, we construct a new classification method tt _ dtc ( decision tree classification based on train tickets ). we apply new classification algorithm sf _ dt ( decision tree classification algorithm based on splitting files ) that bases on splitting files and quantity rules, which aimed at the characters of train tickets
本文將數據挖掘中的分類技術用於鐵路客票營銷分析中的客票分類,形成了一種新的分類方法tt _ dtc ( decisiontreeclassificationbasedontraintickets ) ,該方法針對鐵路客票的實際特點,採用新的基於文件分割和定量規則的決策樹分類演算法sf _ dt ( decisiontreeclassificationalgorithmbasedonsplittingfiles )對客票數據進行分析,以達到依據客票屬性特徵對客票發售及列車運營情況進行分類及預測的目的。分享友人