叉形三通 的英文怎麼說
中文拼音 [chāxíngsāntōng]
叉形三通
英文
fork shaped tee-
The serial number of furcated needle is composed of three sections including 11 digital codes : the first section ( 1 - 5 digits ) is the standard size of international general mode ; the second section of the 6th digital code is the location of bending helve ; in the third section, except letter h representing " hengxiang " brand, the other group of digits represent the characters different parts of pricker
叉形針的編號由三部分共11位代碼組成：第一部分（ 1 - 5位）是國際通用方式的標準尺寸；第二部分即第6位代碼表示彎柄位置；第三部分除英文字母h代表「恆翔」牌外，其餘一組數字表示叉形針的各部特徵。At a three-way junction the usual layout adopted is the trumpet.
三路交叉口的布置通常採用喇叭形。The products can fall into two kinds of bi ? directional and four ? directions by fork directions, three forms of tri ? leg, nine ? block and plastic ? leg by base legs, five grades of w400 ? 、 w900 ? 、 w1200 ? 、 w1500 ? by load bearing capacities and three types of ordinary, buffer and protective types by cardboard laying arrangements, each of which has very high anti ? moist performance
產品的分類按叉位方向分類分雙向、四向進叉兩種，接底腿形成式分類可分為三條腿型、九墩型、塑料腿型，按承載登記可分w400 ? 、 w900 ? 、 w1200 ? 、 w1500 ?等五中，鋪板形式有普通型、緩沖型、防護型等三種，各種產品都有很高的防潮性能。The third chapter is the highlight of the text which focuses on the analysis of the classical colliding case at the " crossing situation ", calculating the distance between two vessels in the state of " involving risk of collision ", approaching a " close - quarters situation " and the " immediate danger situation " through the mathematical model, the thesis sums up the lessons and the prevention of the colliding accidents in every stage at the " crossing situation " by combining with the qualitative analysis, and puts forth a series of methods for avoiding collision aim at three different patterns at the " crossing situation "
包括三個階段計算臨界值數學模型的建立。第三篇是本文的重點，主要對典型交叉相遇碰撞事故進行了分析。通過相應的數學模型計算出兩船碰撞危險形成時機，緊迫局面與緊迫危險形成時的兩船距離，結合定性分析來總結每一交叉態勢碰撞事故的教訓與預防，並提出了一系列針對三種不同交叉態勢的不同避碰方法。The blade inner channel cooling is a complex convection - conduction coupling problem. this thesis build a three - dimension. compressible turbulence model, and give a general solve method. with the geometrical model of the glossily rectangle straight channel, the rectangle straight channel with in - line arrays disturb plates, the rectangle straight channel with staggered arrays disturb plates, the rectangle straight channel with slant disturb plates, this thesis compute the flow and heat transfer condition when the cold air path though these channels, and gain the temperature field, pressure field, velocity filed, in addition. this thesis also analyze the influence of the different channel height, the different channel materials, the different channels, and gain the function relation between he nusselt number, friction factor and reynolds number. this thesis is emphasis on the new heat transfer enhancement structure, that is, disturb plates, with the comparison with the glossily channel and channel with pin fins, the heat transfer enhancement effect of the former is better, and the conclusion can be used in the design of aircraft blade
葉片內部通道冷卻是一個復雜的對流?導熱耦合傳熱問題，本文在分析葉片內部通道冷卻的流動與傳熱情況的基礎上，建立了三維、可壓縮紊流的物理模型，得到了通用的求解辦法；利用不帶擾流片的矩形直通道、帶順排擾流片矩形直通道、帶叉排擾流片、帶傾斜擾流片的矩形直通道的幾何模型，計算了冷卻空氣通過這幾種通道時的流動與換熱情況，得到了各種不同情況下計算區域的溫度場、壓力場、速度場；在此基礎上分析了不同的通道高度、不同的葉片通道材質對葉片內部通道冷卻的影響，並整理得到了各種通道形式下，努謝爾數和阻力因子與雷諾數的函數關系；本文重點研究了新型的葉片內部通道冷卻強化傳熱措施?帶擾流片的內部冷卻通道的強化傳熱效果，通過與光滑矩形直通道、帶針肋通道的冷卻效果的比較，表明了這種新型鮚構的優勢，對于葉片內部通道冷卻結構的設計可以起到指導的作用。Genetic algorithm which simulates descendiblity and evolution of biologist in nature environment forms a searching method of adapting all - round optimize probability. genetic has been applied in many fields
遺傳演算法（ geneticalgorithm ）是模擬生物在自然環境中的遺傳和進化過程而形成的一種自適應全局優化概率搜索方法，它通過選擇、交叉和變異三個過程實現。Based on the expatiation of the necessity and the essentials of interchange landscape design in this paper, the attainment of interchange aesthetics are further expounded through three essential factors - shape aesthetics, function aesthetics, integrate and diversify, and the feasible suggestion in landscape design and aesthetics considering is put forth
通過在立體交叉景觀設計的必要性和設計要點闡述的基礎上，進一步詳述了立體交叉美學實現的三要素形式美、功能美和統一與多樣，並提出立體交叉景觀設計與美學考慮的可行性建議。Then the coupling beams with new reinforcement layout were made an inquiry into, and the improvement on the seismic behavior by coupling beams diagonally reinforced with a few rows in end regions was found out at last, based on the observations of the experimental phenomena and the analysis of the measurement result, and by the comparison of seismic behavior by making use of hysteretic response, ductility and energy dissipation behavior, a conclusion is presented : the code for design and construction of reinforced concrete high - rise structures ( the draft asked for advise hi 2000 ) ca n ' t ensure that the coupling beams have fairly good seismic ductility ; the result of improvement of the seismic ductility of the coupling beams by the increase hi stirrups besides the strengthen of longitudinal detailing reinforcement was n ' t obvious ; the coupling beams diagonally reinforced with a few rows in end regions have fairly good mechanisms, and the ductility and the behavior of energy dissipation are better than conventionally reinforced concrete coupling beams, so it is suitable to te tised in short coupling beams
本文通過對三根小跨高比（均為l h = 1 . 0 ）剪力墻洞口連系梁在低周反復荷載作用下的試驗，了解了嚴格按《鋼筋混凝土高層建築結構設計與施工規程》 （ 2000年徵求意見稿）設計的連梁具有的抗震性能，研究了採取增大連梁配箍量同時加強縱向構造筋的方案對抗震性能的影響，並進一步對新的配筋形式的連梁進行了探討，了解了在連梁梁端配置多排交叉斜筋方案對連梁抗震性能的改善。通過對試驗現象的觀察和量測結果的分析，利用荷載?位移滯回曲線、延性和耗能性能等指標對各個試件的抗震性能進行了比較，最後得出結論： 《鋼筋混凝土高層建築結構設計與施工規程》 （ 2000年徵求意見稿）不能保證小跨高比連梁具有較好的抗震延性：通過增大連梁配箍量同時加強縱向構造筋的方案對改善連梁的抗震延性的效果不太明顯；梁端配置多排交叉斜筋的連梁具有相對較好的受力性能，其延性和耗能性能等各項性能指標均優于普通配筋連梁，宜在深連梁中採用。Establishing 3 - d terrain models with vector contour lines and elevation terrain models with the help of the determination of space corresponding relations between contour lines, tile operation and branch operation. explanation of real - time reflection of terrain models, including three algorithms in lod technology, compared with quadtree algorithm, roam algorithm and the algorithm based on the intermediate belt, to show the advantages and disadvantages of the different situations of the terrains, so as to find out the right algorithm, the quadtree algorithm. developing and implementing the fast demonstration on the vc platform with three - dimentional visualization techniques, such as vrml and opengl, providing a persuasive argument for the research
論文首先概括介紹了用等高線快速建立3d地面模型和顯示的相關技術，並論述了課題研究的背景和選題依據;其次，論文闡述了如何對等高線數據進行預處理，提出了有效的得到矢量化等高線的方法;再次用矢量化的等高線數據建立三維地面模型，通過等高線間的對應關系的確定、瓦片操作、分支操作建立地面的高程模型;然後論文對地面模型的實時渲染問題進行了深入闡述，主要是從lod技術的三種演算法著手進行研究，通過對比四叉樹演算法、 roam演算法和基於過渡帶演算法對不同種情況的地面數據顯示的優缺點，再結合本系統的地形數據的特點選擇了適合的演算法:四叉樹演算法;最後，用vrml和基於opengl的三維可視化技術在vc平臺上開發並實現了地形的三維快速顯示系統，為論文的研究內容提供了有力的論證。Studying the techniques to speedup the ray - tracing method, introducing the methods which are popular for the moment of the partitioning of the urban cell, including space volumetric partitioning, angular z - buffer technique and triangulation, through the comparative advantages of these methods, and combining with the technologies of computer graphics, we get a new efficient ray - tracing method - - a ray - tracing method based on the octtree technique
重點闡述了其加速技術，介紹了現有的分區技術，包括直接的下方形分區、角分區以及三角形分區，通過比較、分析這些分區方法的優點與不足，並結合計算機圖形學技術，我們得到了一種新的、更加方便、快速、有效的射線跟蹤演算法? ?射線跟蹤八叉樹演算法。分享友人