閉單形 的英文怎麼說

And it can be divided into four phases of urban tourism of china, in which there are different characteristics. ( 2 ) the evolutive rules of urban tourism of china are as follows : 1 ) the exoteric extent of tourism notion is more and more swell ; 2 ) the form of urban tourism renovate with the development of cities ; 3 ) the layout of urban tourism inner and outer is from close and complanate to exoteric and tridimensional ; 4 ) the sustaining system of urban tourism is from absent to as clear as a bell, and will reach a rational and advanced extent. 5 ) the social delamination of urban tourism is form stern to syncretic ; 6 ) the evolvement tendency of urban tourism should be generalized as a curve of accumbent " s ", which present a course makes up of low - grade development, high - speed development and balanced development

主要觀點歸納如下： （ 1 ）城市旅遊是基於城市的發展而發展的，中國城市旅遊可分為古代、近代、現代和后現代四個階段，分別對應於前工業文明時期的城市旅遊、工業文明萌芽時期的城市旅遊、全面建設工業文明和后工業文明因素初露端倪時期的城市旅遊，以及邁向信息時代的城市旅遊，其間體現出不同的城市旅遊發展特徵； （ 2 ）經歷不同發展的時期，中國城市旅遊表現出如下的演進規律： 1 ）城市旅遊觀念開放程度逐漸增強，對城市旅遊的容納度日趨加大，對城市旅遊地位的認識從忽視到關注再成為生活的必要因素； 2 ）旅遊形式從單一走向多元，新的旅遊形式隨城市發展層出不窮； 3 ）城市旅遊的內外部空間聯系從封閉平面走向開放立體，達到網路化、連綿化、分區化、立體化布局； 4 ）城市旅遊支持系統從缺失走向健全，達到理性高端； 5 ）城市旅遊社會分層從森嚴走向融合，經歷了「小眾旅遊」 、 「大眾旅遊」 ，最終發展到「全民旅遊」 ； 6 ）城市旅遊產業演變態勢可以概括為一條橫臥的「 s 」曲線，表現為低開?高走?平穩發展。

Powerformer have some changes in constract with the conventional generator ， subsequently it also have some new problems in order to have an economical ， efficient ， credible development and application the structure and the philosophy of electromagnetism of powerformer will be on speaking terms changes electrical design ， magnetism design ， thermal design and structural design are have some new changes above all ， the electromagnetism parameter and the harmonic magnetomotive force of powerformer are studied in this paper first ， it mainly utilizes analytics to deduce formula of slot leakage reactance it considers three instances ， including monolayer - slot ， multilayer isometric - slot and multilayer anisometric - slot then ， the analytics and the fem are utilized to calculate slot leakage reactance of stator winding of prototype of powerformer and compare their results second ， the theory of utilitzing fem to calculate the reactance of powerformer is simply introduced ， including stable reactance ， transient and subtransient reactance specially ， the saturated influence of the stable reactance is considered then ， the results are analysed final ， it mainly introduces the influence of harmonic magnetomotive force of stator winding and analyses the harmonic magnetomotive force of stator winding then ， it mainly analyse harmonic magneto - motive force of stator winding through arranging various arrays of stator winding and observe their influence

基於上述原因，本文對powerformer的電磁參數以及定子繞組諧波磁勢進行了研究。首先是用解析法推導出powerformer定子繞組槽漏抗的計算公式，考慮了單層圓形半閉口槽、多層等半徑圓形半閉口槽和多層不等半徑圓形半閉口槽三種情況，並對powerformer樣機的定子繞組槽漏抗用解析法和有限元法進行了計算，並比較其結果；其次，簡要介紹了有限元法計算powerformer電抗參數的原理，包括穩態電抗、瞬態電抗和超瞬態電抗，對穩態電抗考慮飽和影響，對結果進行分析；最後，介紹定子繞組諧波磁勢對電機運行性能的影響並對定子繞組諧波磁勢進行了分析。然後通過對定子繞組進行不同排列來分析定子繞組諧波磁勢，看看繞組排列對諧波磁勢的影響。

In the course of working, ， the plow will make use of the shuttling method so that it can dig alternately either on the left or on the right. compared to the unilateral plow, it can improve the productivity because it can help leave off the soil 、 take from the consumed energy and reduce the empty journey. to meet the requests above, we will use a remote cylinder with both a small cubage and double functions, approximately designing the plow to be columniform and symmetric. after the experiment for a period in the field, we found that the most frayed areas had happened at the places of both plow shank and share and at the same time the base of the remote cylinder had ruptured suddenly

與單向犁相比，其優點在於：耕地無開、閉壟，地表平整，降低了耕后整地的能量消耗，減少了地頭的空行程，因而大大提高班次生產率。為了滿足犁體梭式作業的要求，我們採用了一隻小容積雙作用的液壓油缸；同時對犁壁曲面的形狀採用了近似圓柱形的對稱設計。但經過一段時間的田間試驗，我們發現：該犁犁胸部分的犁脛和犁鏵上的犁尖在工作中磨損較為嚴重；主犁梁和油缸缸體的連接部分（即油缸底座）突然發生了斷裂，造成整個犁體無法正常工作。

Gs series high speed involute cylindrical gear box is hard gear side box which is according to national criteria to design and manufacture. its structure form is outside engaged straight fear, oblique tooth gear or herringbone gear of single, closed and parallel axis

Gs系列高速漸開線圓柱齒輪箱是按照國際標準設計、生產的硬齒面齒輪箱，其結構形式為外嚙合的直齒、斜齒或人字齒結構，單級、閉式、平行軸傳動。

Test method for measurement of smoke obscuration using a conical radiant source in a single closed chamber

密閉單燃燒室中使用錐形輻射源測量煙霧昏暗度的試驗方法

The key components in laser gyro is he - ne ring laser, and the reciprocal action theory between light and medium is the base in studying the ring laser, use the lamb half classical theory, and on the base of density matrix theory, the optical brounch equation was established, which described the movement of amplifying medium atom in the ring syntonic cavity, and according to the medium polarize theory the self consistent equations was deduced, which describe the light intensity and phasic of the counter - propagating wave. on the basis of this equations, adopted the simulation software matlab and virtual instrument programming language labwindows / cvi, we can do some simulated experiments in study the phenomenas such as amplify and dispersive characteristic of medium, mode pushing effection, burned hole effection and pattern competition, lock - in of frequency and the characteristic of light intensity and phasic of the counter - propagating wave in laser gyro

激光陀螺的核心部件為he - ne環形激光器，而掌握光與介質的相互作用理論是研究激光器的關鍵，採用拉姆半經典理論為主，在密度矩陣理論的基礎上，推導環形諧振腔中描述he - ne氣體增益介質原子運動的光學布洛赫方程，運用介質極化理論得出描述激光陀螺反向行波的光強、位相所滿足的自洽場方程組，在此基礎上，運用matlab模擬軟體和虛擬儀器編程語言labwindows / cvi ，對激光陀螺中的介質增益色散特性、頻率牽引效應、燒孔效應及模競爭、閉鎖效應及環激光的光強和相位特性進行模擬試驗研究，並且運用全量子理論，對激光工作原理進行分析，得出二能級系統單模輻射場的光子數密度分佈，得出激光場的光子統計分佈，模擬激光場的動態建立過程。

The control algorithm of closed - loop gain shaping when the controlled object is not square matrix in the simo system is developed in this thesis

本文提出了單輸入多輸出（ simo ）系統即被控對象為非方陣情況下的閉環增益成形控制演算法。

A uni - directional association is drawn as a solid line with an open arrowhead not the closed arrowhead, or triangle, used to indicate inheritance pointing to the known class

一個單向的關聯，表示為一條帶有指向已知類的開放箭頭（不關閉的箭頭或三角形，用於標志繼承）的實線。

Jet impingement cooling is an advantage method in heat transfer enhancement owing to its extremely high local heat transfer coefficient and simple structure. as regard as the combustor flame tube cooling structure is concerned, the impingement - converse convection - film composite cooling is an effective method, in this composite cooling structure, the impingement cooling problem could be modeled as impingement inside semi - confined channel

對于沖擊-逆向對流-氣膜復合冷卻的火焰筒結構而言，火焰筒壁面冷氣側的沖擊冷卻實質上是半封閉通道的沖擊冷卻，即沖擊射流從沖擊孔板噴出，沖擊到換熱靶面后形成壁面射流沿通道單方向流出。

There remained the generic conditions imposed by natural, as distinct from human law, as integral parts of the human whole : the necessity of destruction to procure alimentary sustenance : the painful character of the ultimate functions of separate existence, the agonies of birth and death : the monotonous menstruation of simian and particularly human females extending from the age of puberty to the menopause : inevitable accidents at sea, in mines and factories : certain very painful maladies and their resultant surgical operations, innate lunacy and congenital criminality, decimating epidemics : catastrophic cataclysms which make terror the basis of human mentality : seismic upheavals the epicentres of which are located in densely populated regions : the fact of vital growth, through convulsions of metamorphosis from infancy through maturity to decay

生與死的痛苦。類人猿和尤其是人類女性那單調的月經，自初潮期一直延續到閉經期。海洋上礦山和工廠里那些不可避免的事故某些非常痛苦的疾病以及伴隨而來的外科手術生來的瘋顛，先天性犯罪癖導致人口大批死亡的傳染病在人類心靈深處種下恐怖種子的災難性特大洪水震中位於人口密集地區的大地震歷經劇烈變形，自幼年經過成熟期進入衰退期的生命成長的事實。

Her appearance belongs to the fire type, has sharp type of face, there are more black than white in the pupils of her eyes, both eyes are wide apart, the ears are lower than the eyebrows, her earlobes are thick and broad, protruding internal earbone, short nose, wing of the nose is frail and a little protruding, her mouth forms a line when it is closed, the sides of her mouth is slightly turn downwards, the thickness of the upper and lower lips is even, her cheekbones are not high, and the law grain is profound

面相屬火，尖形臉，額頭高且突，下巴尖，眼珠黑多白少，兩眼間的距離開闊，眉陵骨凸，耳低於眉，耳珠厚和寬，內耳骨凸出，鼻短、鼻翼單薄和有點外仰，人中平滿欠缺凸下溝紋，嘴巴緊閉時成一線，嘴邊兩角微微向上彎，上下唇的厚度均勻，顴骨位置不高也不大但法令紋深長。

While tv signal is switched, scm outputs volume adiusting code with refference to default volume in a certain period to realize closed loop control of tv accompanyind sound, afterwards back to open loop control

當信號切換操作時，在一定時間內以默認音量值為參照，由單片機發出電視接收機音量調節編碼，實現電視伴音音量閉環調控，調控結束后恢復開環形式。

Standard test method for measurement of smoke obscuration using a conical radiant source in a single closed chamber, with the test specimen oriented horizontally

使用錐形放射源在有水平放置試樣的單一密閉室內測量煙霧蒙朧性的標準試驗方法

To model inheritance on a class diagram, a solid line is drawn from the child class the class inheriting the behavior with a closed, unfilled arrowhead or triangle pointing to the super class

為了在一個類圖上建模繼承，從子類（要繼承行為的類）拉出一條閉合的，單鍵頭（或三角形）的實線指向超類。

This method is also valid for identifying the circuit and branch defect of first group spatial linkages based on the equivalent of circuit properties of the first group spatial linkages and its equivalent sphere four - bar linkage base on the property of the solutions of quartic equation, the conclusion that the number and order of branch between two adjacent stationary positions of the input link are derived. then, the new method to identify circuits of spatial single - loop linkages with four closures is presented. all types of the manner on which the branches coalesce at the stationary positions of the input link are obtained and the procedures to determine the type automatically are developed

基於一元四次方程解的性質，得到了在輸入構件兩個相鄰瞬時靜止位置之間機構的分支的數目和大小順序不變的結論，進而提出了識別具有四個封閉形的空間單環機構迴路的新方法一一死點法，綜合出了輸入構件位於瞬時靜止位置時機構分支結合情況的所有類型及其自動判別方法，研究了由所有結合的分支信息自動生成迴路的演算法，首次解決了此類機構迴路與迴路缺陷的自動識別。

An enclosed single tube thermal separator was designed and by means of which the influence of single element of q, l, f, on the performances of thermal separator was investigated experimentally. on the basis of the comparison between the theoretical analyses with the results of the experiment, a relatively systematical theory of the cooling mechanism and peak oscillating effect of the thermal separator was founded

設計了一臺封閉式單管熱分離實驗裝置，對q 、 l 、 f 、 、激波吸收器等因素對熱分離機性能的影響進行了單因素實驗；對理論分析和實驗結果進行了比較，形成了較為系統的熱分離機製冷機理和峰值振蕩理論。

In this paper, the stability and multiplicity of closed geodesics are considered on some compact simply connected manifolds with the eohomology algebra td, n ( x ) of truncated polynomial algebra

本文研究一類單連通緊流形上的閉測地線的多重性與穩定性，這類流形具有截斷多項式代數作為其同調代數

But only for the closure of indonesia passage, warm pool can be formed under 150m with the center between 300m and 600m or so while in upper layer the modern sea temperature is still colder, so seen from the simulation, only the open of indonesia passage can not form the warm pool like the present

P ）模擬的海溫要暖，形成淺層暖池。但單是上述通道關閉，暖池只形成在150米以下，中心在300 ? 600米深海洋層，而海洋上層（ 150米以上）仍為現代冷。依數值模擬來看，只有上述通道的開啟，並不能形成如現代淺層海洋暖池。

In the third chapter, we introduce geometric expansion of convex planar curves. we discuss the evolution equation using minkowski ' s support function with the speed function of curvature and show that the shapes of curves become round asymptotically when the initial closed curves is smooth and convex

限制曲線在外法向上的演化速度是另一類特殊的曲率函數，研究相應的方程，我們得到了在初始為凸的閉簡單光滑曲線的條件下，曲線的最後形狀是漸近地趨於一個圓。

For the external - magnetic field mid, the cathode with improved structure works as a " close " magnetic coil that effectively increases the continuity and uniformity of magnetic field, and then ensures the stability of dense anode plasma formation

對于外磁絕緣離子二極體，改進的陰極形成單匝「閉環」磁場線圈，有效地提高了磁場的連續性和均勻性，保證了稠密陽極等離子體的穩定形成。