頂翼 的英文怎麼說
中文拼音 [dǐngyì]
頂翼
英文
archlimb-
On top of the wings, use a ruler to press along the green lines as shown on the template. the wings should curved as shown above
在機翼頂部用鐵?沿圖樣的綠線向下壓,完成後應出現上圖之弧度。The hawk 4 gyroplane is supported in the air by a horizontally mounted airfoil similar to that of a helicopter but unpowered
鷹4旋翼機利用類似直升機的旋翼提供升力,但機頂的水平旋翼無需動力推動。" we have some top quality players that many countries would love to have and we need to make use of them and pick a team that is organised and get them in their best positions, " stated redknapp. " wayne rooney is not a left winger, play him where he can do damage
「我們有一些許多國家想要的頂級的球員,我們需要運用他們,挑選出一直組織良好的隊伍,並把他們安排在最佳的位置, 」雷德克納普說, 「魯尼不是一個左翼球員,應該把他放在他能製造最大威脅的地方。Numerical investigation of the effects of different leading - edge profiles on vortical flows over a double - delta wing
尖頂襟翼長度對三角翼前緣渦破裂的影響Giovanni battista danti tried it with pinions of iron and feathers in15th - century perugia, hurtling over the piazza and crash - landing on the church
15世紀義大利佩魯賈的喬瓦尼?巴蒂斯?但丁用鐵翼和羽毛嘗試飛行,他掠過廣場摔落在教堂頂上。Effect of the apex flap on the leading edge vortex breakdown over a 70 176 ; delta wing
尖頂襟翼對70 176 ;三角翼前緣渦破裂的影響On the top of the mountain they saw some people who were enjoying hang gliding
在山頂上他們看見一些人正享受玩滑翔翼之樂。Vega gull : pale upperside, clear contrast between black primaries and pale grey upperwing, dirty head ( may be almost hooded, with very heavy, wide, blob - shaped brownish marks ), more rounded wing, some have bright raspberry - pink legs
織女銀鷗:淡色上翼面,黑色初級飛羽和淡灰上翼面間明顯的對比,污色的頭部(可能幾乎罩住頭頂,非常深,寬,點狀的棕色斑點) ,比較圓弧的翅膀,有些有明亮的覆盆子般粉紅的腳With his arms tied behind his back, he maneuvered himself to be able to remove the blindfold from me so i could untie myself then we all helped each other untie our feet to make a fast getaway. running as fast as our injuries allowed, we yelled and yelled, " we re americans ! we re americans !
一天,我們坐在那裡,聽到有飛機飛來然後,是直升機低飛的聲音然後,一枚炸彈從木屋頂丟進來,就落在我腳旁幾寸外,但它的尾巴卻鉤在木屋頂上,離開了炸彈他們無法相信,於是他們小心翼翼,把它拿下來。In one of these wings the windows were broken and blocked with wooden boards, while the roof was partly caved in, a picture of ruin
其中一邊側翼的窗戶破了,用木板擋著,屋頂部分下陷,一副破敗的景象。Hogwarts, in my imaginative view, has several wings all 7 floors high with very high ceilings, and it ' s many towers are much much higher than that
而霍格沃茨,在我想像來看,有好幾個側翼,每個都有七層樓,每層都是高屋頂的,而且,它的很多個塔樓比主樓更高很多。Roof / wall intersections are frequently found at : chimneys, attached garages, single story wings on two story homes, architecturally appealing roof lines at front elevation
如煙囪;連體的車庫;雙層房子中底層延伸出的兩翼在正面的建築設計圖中屋頂與墻壁交界處的角度在建築方面通常認為可以吸引人們的注意。Cerebral spinal fluid fistulas of the anterior skull base lend themselves to an endoscopic approach. dissection begins with a meticulous anterior and posterior ethmoidectomy
前顱底的腦脊液漏可以在鼻內窺鏡下進行處理,先小心翼翼的進行前後篩竇組切除術,以暴露篩頂全長。Second, change the diaphragm ’ s space between, retain the other thing, analyze the influence of the stress and deformation of box ? girder cross section and the beam web. based on the analysis upwards, the writer studied the rule of the influence of the stress and deformation box ? girder cross section and the beam web with different diaphragm ’ s space between. according to the results of finite element analysis, the writer puts forward some suggestions which will provide some reference for the following design
本文利用ansys有限元分析程序,對指定斷面,不同曲率的曲箱梁,建立完備的有限元模型,分別對二個方面的問題進行了分析:其一,通過對箱梁在有無跨中橫隔板時截面頂板及腹板的變形和應力分佈的對比分析,闡述了設置跨中橫隔板的重要性;其二,在相同工況下,通過改變橫隔板的設置間距,分析對箱梁翼緣及腹板的受力影響。Abstract : a new method, collaborative allocation ( ca ), is proposed to solve the large - scale optimum allocation problem in aircraft conceptual design. according to the characteristics of optimum allocation in aircraft conceptual design. the principle and mathematical model of ca are established. the optimum allocation problem is decomposed into one main optimization problem and several sub - optimization problems. a group of design requirements for subsystems are provided by the main system respectively, and the subsystems execute their own optimizations or further provide the detailed design requirements to the bottom components of aircraft, such as spars, ribs and skins, etc. the subsystems minimize the discrepancy between their own local variables and the corresponding allocated values, and then return the optimization results to main optimization. the main optimization is performed to reallocate the design requirements for improving the integration performance and progressing toward the compatibilities among subsystems. ca provides the general optimum allocation architecture and is easy to be carried out. furthermore, the concurrent computation can also be realized. two examples of optimum reliability allocation are used to describe the implementation procedure of ca for two - level allocation and three - level allocation respectively, and to validate preliminarily its correctness and effectiveness. it is shown that the developed method can be successfully used in optimum allocation of design requirements. then taking weight requirement allocation as example, the mathematical model and solution procedure for collaborative allocation of design requirements in aircraft conceptual design are briefly depicted
文摘:探討了一種新的設計指標最優分配方法- -協同分配法,用於處理飛機頂層設計中的大規模設計指標最優分配問題.分析了飛機頂層設計中的設計指標最優分配特徵,據此給出了協同法的原理並建立了數學模型.協同法按設計指標分配關系將最優分配問題分解為主系統優化和子系統優化,主優化對子系統設計指標進行最優分配,子優化以最小化分配設計指標值與期望設計指標值之間的差異為目標,進行子系統最優設計,或對底層元件(如飛機翼梁、翼肋和翼盒等)進行設計指標最優分配,並把最優解信息反饋給主優化.主優化通過子優化最優解信息構成的一致性約束協調分配量,提高系統整體性能,並重新給出分配方案.主系統與子系統反復協調,直到得到設計指標最優分配方案.兩層可靠度指標分配算例初步驗證了本文方法的正確性與可行性,三層可靠度指標分配算例證明了本文方法的有效性.最後,以重量指標分配為例,簡要敘述了針對飛機頂層設計中設計指標協同分配的數學模型和求解思路A new method, collaborative allocation ( ca ), is proposed to solve the large - scale optimum allocation problem in aircraft conceptual design. according to the characteristics of optimum allocation in aircraft conceptual design. the principle and mathematical model of ca are established. the optimum allocation problem is decomposed into one main optimization problem and several sub - optimization problems. a group of design requirements for subsystems are provided by the main system respectively, and the subsystems execute their own optimizations or further provide the detailed design requirements to the bottom components of aircraft, such as spars, ribs and skins, etc. the subsystems minimize the discrepancy between their own local variables and the corresponding allocated values, and then return the optimization results to main optimization. the main optimization is performed to reallocate the design requirements for improving the integration performance and progressing toward the compatibilities among subsystems. ca provides the general optimum allocation architecture and is easy to be carried out. furthermore, the concurrent computation can also be realized. two examples of optimum reliability allocation are used to describe the implementation procedure of ca for two - level allocation and three - level allocation respectively, and to validate preliminarily its correctness and effectiveness. it is shown that the developed method can be successfully used in optimum allocation of design requirements. then taking weight requirement allocation as example, the mathematical model and solution procedure for collaborative allocation of design requirements in aircraft conceptual design are briefly depicted
探討了一種新的設計指標最優分配方法- -協同分配法,用於處理飛機頂層設計中的大規模設計指標最優分配問題.分析了飛機頂層設計中的設計指標最優分配特徵,據此給出了協同法的原理並建立了數學模型.協同法按設計指標分配關系將最優分配問題分解為主系統優化和子系統優化,主優化對子系統設計指標進行最優分配,子優化以最小化分配設計指標值與期望設計指標值之間的差異為目標,進行子系統最優設計,或對底層元件(如飛機翼梁、翼肋和翼盒等)進行設計指標最優分配,並把最優解信息反饋給主優化.主優化通過子優化最優解信息構成的一致性約束協調分配量,提高系統整體性能,並重新給出分配方案.主系統與子系統反復協調,直到得到設計指標最優分配方案.兩層可靠度指標分配算例初步驗證了本文方法的正確性與可行性,三層可靠度指標分配算例證明了本文方法的有效性.最後,以重量指標分配為例,簡要敘述了針對飛機頂層設計中設計指標協同分配的數學模型和求解思路It is carried on our research in this field from the multi - resident steel structure knot of beam - column research. there are various of knot style including top - and seat - angle steel, top - and seat - angle with double web - angle steel connections, extended - end - plate bolted connections and so on
多層住宅鋼結構樑柱節點型式的研究到現在已有各種節點型式,如頂底角鋼連接,頂底角鋼、腹板雙角鋼連接,外伸端板高強螺栓連接,上下翼緣t型鋼連接,狗骨式剛性連接等。Hdo divides the integrated optimization of composite wing structures into two sub - problems that are easy to be solved : upper level optimization and lower level optimization
它將復合材料翼面結構綜合優化設計問題分解成兩個易於求解的子問題:頂層優化設計和底層優化設計。Then he raised the flag - stone cautiously with his head, and looked carefully around the chamber
他小心翼翼地用頭頂起那塊大石頭,謹慎地環顧室內。The day after the review boris drubetskoy put on his best uniform, and accompanied by his comrade bergs good wishes for his success, rode to olmtz to see bolkonsky, in the hope of profiting by his friendliness to obtain a better position, especially the position of an adjutant in attendance on some personage of importance, a post which seemed to him particularly alluring
閱兵之後的翌日,鮑里斯穿著頂好的軍服,領受貝格同志賜予他的事業成功的臨別贈言,前往奧爾米茨拜訪博爾孔斯基。他翼望享用博爾孔斯基的垂照,為自己謀求一個極好的職位,尤其冀望謀求一個他認為頗具吸引力的軍中顯要名下的副官職位。分享友人