曲線周長 的英文怎麼說

中文拼音 [qūxiànzhōuzhǎng]
曲線周長 英文
girth
  • 曲 : 曲名詞1 （一種韻文形式） qu a type of verse for singing which emerged in the southern song and ji...
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  • 周 : Ⅰ名詞1 （圈子; 周圍） circumference; periphery; circuit 2 （星期） week 3 [電學] （周波的簡稱） c...
  • 長 : 長Ⅰ形容詞1 （年紀較大） older; elder; senior 2 （排行最大） eldest; oldest Ⅱ名詞（領導人） chief;...
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  1. In the end, applying " concentrate and disperse combining " principle to plan the agricultural landscape arrangement ; applying " position theory, growth pole theory, pole and axis development theory " to plan city and town distribution, then formed the develop pattern of " one city, five towns and two axes " in daxing district, and " a axis and multi - centres " develop structure in quzhou county

    最後運用「集中與分散結合」的景觀規劃原理對農業用地布局進行規劃；城鎮發展遵循經濟學中的「增長極理論」和「點軸開發理論」 ，從而大興區形成了「一城、五鎮，二大軸線」的地域發展結構，曲周縣形成了「一主軸、多中心」的發展模式。
  2. In this thesis, four types of steel beam - rectangular cfst column connections, including normal welded flange plate ( wfp ) connection, bolted flange plate ( bfp ) connection, stiffened end plate ( sep ) connection and double split - tee plate ( dst ) connection, were designed based on the configuration of steel frame connection. total 8 models, 2 models of each kind of connections were tested under low - reversed cyclic loading at the end of cfst columns. the relationships between force and displacement at the end of columns, the relationships between the moment and rotation of the joints, degradations of strength and stiffness, ductility, failure mechanism and failure characteristics of these four connections under different axial - compression ratios were presented

    本文借鑒鋼框架節點構造，設計了四種類型矩形鋼管混凝土柱與鋼梁連接節點，包括常規栓焊（ wfp ）節點、翼緣全螺栓連接（ bfp ）節點、雙t板連接（ dst ）節點以及加勁端板連接（ sep ）節點，進行了四類節點8個模型試件在柱端低周反復荷載作用下的抗震性能試驗研究，比較了不同軸壓比下節點的滯回性能、強度與剛度退化、延性、破壞機理與破壞特徵，主要結論有： 1 、節點的位移滯回曲線與轉角滯回曲線為塊型分佈，沒有或略有捏攏現象，耗能能力強； 2 、軸壓比對節點滯回曲線有顯著影響，全部節點都有顯著的剛度退化； 3 、位移與轉角骨架曲線在峰值荷載後有較長的水平或下降段，具有良好的延性性能； 4 、從整體抗震性能上看，翼緣全螺栓連接節點、雙t板連接與加勁端板連接節點都優于常規栓焊節點，可在實際工程中加以推廣。
  3. Cell compatibility of films is researched firstly, which will make a significant contribution to the using fha films in practice from development. cell cycle, measured by flow cytometer and mtt method, and cell growth curve are used to analyze the impact of material and the immersed medium to the multiplication of osteoblast - cell

    通過mtt法，流式細胞儀測定細胞周期，以及細胞生長曲線的測定，分析研究了fha薄膜材料對成骨細胞增殖生長的影響以及材料的浸提液對細胞增殖的影響，通過細胞相對增殖活性的測定對fha薄膜進行毒性評級。
  4. The life cycle of financial innovative products consists of input, growing, maturing, and declining stages. three dividing points of the four stages can be calculated quantifiably by compertz curve. in input stage capital should be invested to promote the products, and occupy the market

    金融創新產品的生命周期包括投入期、成長期、成熟期和衰退期四個階段，通過龔珀殊（ compertz ）曲線可以從定量的角度分別計算出四個階段的三個分界點。
  5. A model of letting out of no oil ubricated double whirlpools vortex air compressor was set up, the length of leak line of one cycle was calculated the change of the leak line at work, the change of the length of leak line varying with the crank corner, and the change of the leak amount varying with the pressure of revealing atmospheric and crank corner were analyzed

    摘要建立了無油潤滑雙渦圈渦旋壓縮機的泄露模型，根據型線的幾何理論計算了一個周期內泄漏線的長度，分析了在工作過程中泄漏線的變化，泄漏線長度隨曲柄轉角的變化，以及泄露量隨排氣壓力，曲柄轉角的變代情況。
  6. Under this flow, the convex initial curve will preserve its perimeter, enlarge the enclosed area and make its curvature to be positive definitely. and as the time lasts, it will become more and more circular, and finally, as the time goes to infinity, the curve will converge to a circle in the hausdorff metric

    本文證明在這種新的曲線流之下，閉凸曲線周長保持不變、所圍區域的面積不斷增大而曲率保持恆正（從而保持凸性） ，並且，隨著時間的推移曲線變得越來越圓，最終當時間t趨向于無窮大時，曲線在hausdorff度量意義下收斂到一個圓周。
  7. First according to the fact that tangential components of the evolution do not affect the geometric shape of the evolving curves, we introduce the evolution equation of geometric quantities for the general planar curves. then we describe the work of gage - hamilton briefly. last we consider a special curvature flow of curve which evolves with speed function of the principal curvatures along the inner norm and show that convexity of the curve is kept and its length and area are contracted if the initial closed curve is smooth and convex. so the final shape of the curve will be a point in finite time

    首先根據曲線在切向分量上發展是不影響曲線的發展形狀，我們引入了曲線的一些幾何變量的發展方程；其次我們簡要地回顧gage - hamilton研究曲線發展的一般步驟；最後我們考慮沿曲線的內法線以曲率的函數為發展速度的一類特殊的曲線族，證明了在初始曲線為凸的閉平面簡單曲線條件下，曲線將保持凸的，並且它的面積和周長將同時收縮，並在有限時間內成為一個點。
  8. Then the locus curves of one point in the geared five - bar were studied with the change of the gear ratio, the phase angle, the bar length and the angle between two bars

    然後，針對能夠整周轉動的齒輪?五桿機構，研究了其上的一點在齒輪機構的傳動比、初始相位角、桿長以及兩桿之間的夾角變化時的軌跡曲線以及速度和加速度曲線的情況。
  9. Magnetic force pump magnet couplings " universal energy equation is educed by analyzing of demagnetization curve, ways of reverting force calculating are introduced according to the equation when inside magnet rotor have axial direction and radial displacement, circumferential moment of magnetic force has been given, magnetic force pump alnico ' s axial direction length, circumferential length, radial thickness amounts are summarized with the analyses of experiment results

    利用退磁曲線法，推導磁力泵聯軸器能量通用公式，導出內磁轉子在軸向偏移和徑向偏置下產生的回復力計算方法，周向傳動轉矩計算方法，結合試驗結果，總結推薦磁力泵磁鋼軸向長度、周向長度、徑向厚度、磁極數設計方法。
  10. Economy cycle accents the process of economic expand and economic contract appear alternatively and repeatedly. but economic fluctuation is the basic form of economic cycle, so economic cycle or economic cycle fluctuation is the state of macro economic expand and abstract appear alternatively, wave crest and trough circulates round, economic recovery and depression circulate round

    一方面，經濟波動強調的是經濟實際增長曲線與趨勢增長曲線的偏離現象，而經濟周期則指的是經濟擴張與經濟收縮交替進行、反復出現的過程，它們有著不同的側重點；另一方面，經濟周期必然是以經濟波動為基本形式的。
  11. The tunable optical characteristics of the novel lpfgs are recognized during the study of their optical characteristics : ( 1 ). the relationship between the resonant amplitude and the applied curvature radius in the bend - sensitive orientation of the novel lpfgs is linear, ( 2 ). the relationship between the resonant amplitude and the applied transverse load in the wavelength - insensitive orientation of the novel lpfgs is linear, ( 3 ). the relationship between the resonant wavelength shift of the novel lpfgs and the applied temperature is linear

    在對新型長周期光纖光柵光學特性的研究中，我們發現了新型長周期光纖光柵的一些獨特的可調諧性：新型長周期光纖光柵的諧振峰幅度和彎曲敏感方向所受的彎曲率呈線性關系；新型長周期光纖光柵在波長不敏感方向其諧振峰幅度和它所受的橫向壓力呈線性關系；長周期光纖光柵的諧振峰中心波長隨溫度的變化呈線性關系。
  12. Students : the length of the curve making a circle is called the perimeter

    生：圍成圓的曲線的長度叫做圓的周長。
  13. Based on experimental research and theoretical analysis, investigations on the new type of joint are made systematically, the main contents and results include the following items. 1 four specimens of new joints between cfrt columns and steel beams are designed. by low - cyclic reversed load test, skeleton curves of new joints and shearing deformation in joint core area are studied, the influence of parameters, such as concrete cores, length of stiffener, and relative dimensions of column and beam, is discussed

    本文在分析現有節點方案特點的基礎上，提出了角鋼加勁式節點方案，並採用試驗和理論分析相結合的方法，對這種新型節點進行了系統研究，主要研究內容與成果如下： （一）設計了4個新型方鋼管混凝土柱?鋼梁節點的試件，通過對新型節點的低周反復荷載試驗，研究了新型節點的骨架曲線和節點核心區剪切變形等，探討了內填混凝土、加勁肋長度和樑柱相對尺寸等對節點抗震性能影響。
分享友人
分享到 Line

分享到臉書