速度平方律 的英文怎麼說

中文拼音 [píngfāng]
速度平方律 英文
speed-square law
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : Ⅰ形容詞1 (沒有高低凹凸 不頃斜) flat; level; even; smooth 2 (高度相同; 不相上下) on the same l...
  • : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
  • : Ⅰ名1 (法律; 規則) law; rule; statute; regulation 2 (律詩的簡稱) short for lüshi 3 (姓氏) a ...
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
  1. Part one : this part introduces the summarization of the abs ( asset - backed securities ), which includes the conception, the basic theory, the features, the categories, the basic running process, and the circumstance of the research and development, etc. part two : the main contents of this part are the necessity and the analysis for the feasibility of the financing of securities depending on the charges of expressways, including the analysis for the feasibility of the financing of securities on the basis of the expressways " charges, the option between the two operation models, and the analysis for the feasibility of the operation of indigenization, etc. part three : this part mainly demonstrates how to design the plan of a company for the financing of securities and indigenization, which consists of the introduction of a company ' s background and the main problems to be confronted, the features of the basic assets and the analysis of the cash currency, the selection of spy, the design of trading structure, the product design of securities, etc. part four : this part discusses the financial evaluation about a company ' s design of the financing of securities and indigenization on the basis of the expressways " charges, the analysis of the risks and the analysis in general

    本文的創新之處在於: ( 1 )通過對我國《信託法》 、 《公司法》等相關法、法規的深入研究,提出在國內現行制框架和市場環境下,以信託式設立特設目的機構的基本思路,並構架了類附擔保公司債信託型和信託簽發企業銷售型兩種較為滿意的本土化交易結構案,具有一定的理論創新性; ( 2 )將資產證券化這一金融創新工具應用到高公路融資領域,論證了高公路利用收費證券化融資的必要性和可行性,並提出了一個可供借鑒的操作性案。本文可能的不足是在證券化產品設計面由於筆者知識水的欠缺,深感作得不是很深入,需進一步的完善和細化;另外對各種交易結構模式的設計和分析只是一種理論上的探討,到底是否有效和可行需接受實踐的進一步檢驗。論文分為四個部份:第一部份,資產證券化概述,包括資產證券化的概念、基本理論、特點、基本形式、基本運作流程、國內外研究和發展現狀等。
  2. According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

    本文首先介紹了ld泵浦nd : yag激光器的發展狀況、主要特性及其應用,從四能級程出發,推導了ld泵浦nd : yag激光器的閾值、輸出功率和斜效率的表達式,並簡述了激光器的工作原理、結構型式和倍頻法;其次,以空間相關的程為基礎,提出了ld端面泵浦nd : yag激光器的設計法,給出了一定泵浦耦合式下,振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據,以此為依據,設計了自聚焦透鏡耦合小功率ld泵浦nd : yag激光器和透鏡組耦合高功率ld泵浦nd : yag激光器,對激光器的輸出功率和功率穩定性等特性進行了實驗研究;再次,在帶尾纖輸出的高功率ld泵浦nd : yag激光腔內插入一隻空液晶盒,觀察到了激光器以單縱模運轉;最後,根據泵浦光焦斑端面位置對激光輸出功率的影響規,提出了ld端面泵浦nd : yag激光位移傳感新法,並進行了理論和實驗研究,研究結果表明:當激光晶體內泵浦光均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時,激光輸出功率的自然指數與泵浦光焦斑的縱向位置成高斯變化規,測量范圍和靈敏依賴于泵浦功率,隨著泵浦功率的增加,測量范圍擴大,靈敏提高,當端面泵浦功率為7 . 24w (最大輸出功率為1 . 926w )時,激光位移傳感器的測量范圍和靈敏分別是13 . 045mm和0 . 148mw / pm 。
  3. There are two implementations for discrete reaching law, both has obvious strongpoint and limi - tations. so the two was synthesized. simulation results showed that the discrete vsc is easier to be implemented by computer control system, and go further in decoupling between chattering control and system dynamics, while the robustness is not so good as continuous time vsc

    本文的另一項工作是在連續系統的基礎上,討論了離散時間變結構控制策略和抖振控制,針對控制量加不足,提出了離散趨近的兩種實現式,由於兩種實現式同樣具有明顯的優缺點,因此將兩種式結合起來,增加了兩個與滑模面行的切換面作為系統在兩種式之間切換的界限,並通過計算機模擬驗證控制效果。
  4. Hereafter being the forecasting to the old age population coefficient, this text has been applied two kinds of regression model, namely univariate linear model and logarithmic model, and thought over three kinds of economic speed of development ( high, middle, low ) in the logarithmic model to forecast the old age population coefficient respectively. finally, by analyzing the forecasted value and the inertia law of population development, the paper points out the lengthening of the population equally expected life span will push forward the aging of population step by step to the advanced age development ; the development trend of the population aging continues to be clear, and just appears a stage characteristic ; furthermore, the population aging speed in rural area will be faster than in the city

    此後是對老年人口系數的預測,本文應用了兩種回歸模型,即一元線性回歸模型和對數擬合模型,並在對數擬合模型中考慮了經濟發展的高、中、低三種案,對老年人口系數分別進行預測;最後在分析預測值和人口發展慣性規基礎上對山東省未來人口老齡化發展趨勢作了較深入分析,指出人口均預期壽命的不斷延長,將逐步推動人口老齡化向高齡化發展;人口老齡化繼續發展趨勢明顯,且呈現出階段性特徵;農村人口老齡化將快于城市。
  5. Statistically, it makes a quantitive analysis on the evolvement of the country economic structure in xi ' an city, the economic benefit of the changes in industry structure, the effect on labor resource collacation in industry structure and the effect of the increasing income of countrymen in industry structure changes, which discloses a rule of the industry structure evolvement in country. the putting forward of the non - agriculture industry in country, especially the rapid increase in country industry will promote the rise of the country industry level for a long term. the country industry structure influences a lot the increase of the farmer ' s income which is also affected by agriculture structure and planting structure, but less. the non - agriculture industry plays a main role in the increase of farmer ' s income. for the low level of the townlization and industrialization, developing industry, construction and commercial in country is very feasible to resolve the problem of spare labors in country. it is strengthening labors transferring and reducing the modulus of labor over the infield that farmers income could be kept increasing. after a theoretical analysis and twenty years practise in the regulation of country economy structure after the reform and opening policy in xi ' an, a new thought of regulating country economy structure in xi ' an is put forward that a strategic regulation must be taken in country economy structure and the agriculture structure must be optimized. moreover, an expanding agriculture must be developed and transfer the spare labors in country effectively. so the government function during the regulation of country economy structure is transferred to : the first one, making the stress policy in the regulation of country industry structure. 2ndly, strengthening the force in regulating country industry structure ; 3rdly, making a plan on the regulation of country industry structure ; 4th promoting the optimizition and upgree of industry relying on sci - tech progress ; 5th enhancing the townlization and optimizing the country industry structure ; last one, improving the quality of labors in full scale

    本文在概述經濟結構理論的基礎上,第一次系統地研究了西安市農村經濟結構調整,用數據統計的法,定量、定性地分析了西安市農村經濟結構演變的軌跡,分析了產業結構變動的經濟效益、產業結構勞動力資源配置效應、產業結構變動的農民收入增長效應,揭示了農村產業結構演變的規。提出農村非農產業,尤其是高增長的農村工業,對促進農村產業水的提升起著長?推動力的作用;農民收入增長直接受農村產業結構的影響最大,農業產業結構、種植業結構對農民收入有影響,但作用不可高估;非農產業是農民增收的主要支撐力量,解決農村余勞動力在城鎮化、工業化水不高的情況下,切實可行的選擇是在農村發展工業、建築業、商飲業等非農產業;農民收入要保持快增長態勢必須加大農村勞動力轉移力,減少耕地承載勞動力的系數。通過理論分析,結合西安市改革開放后20多年的農村產業結構調整的實踐,提出了西安市農村產業結構調整的發展思路及目標、原則,明確指出了政府在農村經濟結構調整過程中的職能轉變的重要面:一是制定農村產業結構調整的傾斜政策,二是加大對農村產業調整的投入力,三是制定產業結構調整的規劃,四是依靠科技進步促進產業優化和升級,五是加快城鎮化過程,優化農村產業結構。
  6. The article has researched the intention of agricultural industrialization which is guided by market and mainstay enterprises, based on agricultural product base organized by a lot of families, and characterized by joint management and mutual benefit. it also realized production specialization, product commercialization, service socialization and etc. the article has also researched the existing conditions of agricultural industrialization both at home and abroad. although it is different in national conditions and actual practice, the developed countries follows the market economic law and naturally steps on the road of agricultural industrialization. as the continuous reforming and opening up, china actively explores and enhances the management level of agricultural industrialization. the writer uses system changing theory, scale management theory, trade expense theory. market system theory and industrial economics theory, to put forward the main type of mainstay enterprises, which is divided by ownership, organization form, contact form and product. the writer thinks that development of mainstay enterprises can promote effective joining between small production and big market, the developing of high - benefit agriculture, establishing trade / industry / agriculture operation system, region economics and joining process between urban area and rural area. the existing conditions in strengthening the mainstay enterprises in zhaoyuan embodies continuous expanding in scale. continuous widening in fields, continuous enhancing in benefits, continuous improving in techology and quality. by finding the problem and shortage in product quality, developing ability and scale strength, the article has put forward the following views : face to market and enhance quality and techological content of agricultural products ; enforce flexible policy and investments ; establish fair and reasonable benefits joining system. the article has also put forward the countermeasures and suggestions on enhancing the enterprises ' management level

    文章研究了農業產業化經營的內涵,明確其以市場為導向、以龍頭企業為依託、以一大批農戶組成的農產品生產基地為基礎,形成農工商有機結合、風險共擔、利益均沾的本質特點,表現出生產專業化、經營一體化、企業規模化、產品商品化、服務社會化等特徵。分析了國內外產業化經營的現狀,認為盡管各國的國情不同,具體的做法和叫法不盡相同,但是經濟發達國家都遵循市場經濟規,很自然走上了農業產業化經營的道路,發展中國家紛紛仿效,中國也隨著改革開放不斷深入,積極探索發展提高農業產業化經營水。作者運用制變遷理論、規模經營理論、交易費用理論、市場機制理論和產業經濟學理論,提出了龍頭企業從所有制形式、從組織形式、從聯系式及從產品上劃分的主要類型;認為發展龍頭企業有促進小生產與大市場的有效對接、推動優質高效農業縱深發展、建立貿工農一體化運行機制、振興區域經濟、加城鄉一體化進程等作用;考察了招遠市壯大龍頭企業推進農業產業化的現狀,表現在規模不斷擴大、領域不斷拓寬、效益不斷提高、技術不斷改進、質量不斷提高等面;找出了龍頭企業產品質量上、開發能力上、規模實力上和行業自上的問題和差距,提出了要面向市場,努力提高農產品的質量和科技含量,多策並舉,搞活投入機制,建立公合理的利益聯結機制,加強行業自,提高企業經營管理水等對策和建議。
  7. ( 2 ) starting off with analyzing the forces affected on single dry solid granule on the roller screen, the relative slippage and slipping condition of granule at the tangential direction and axis direction of roller screen are discussed, and the average slipping conveyance velocity from feeding end to discharging end is given. the throwing conveyance of granule is discussed, the throwing coefficient of roller screen and its varying rule, and the concept of average throwing coefficient and its computing method are put forward, the starting condition and terminating condition for throwing motion of granule on the roller screen and the throwing conveyance velocity of granule are researched. the influence on throwing motion of granule by the rotating velocity of roller screen is discussed as well

    ( 2 )從筒式篩網上單顆干固相顆粒的受力分析著手,討論了顆粒在筒式篩網面上的切向相對滑動和軸向相對滑動及滑動條件,並導出了顆粒從進料端向出料端滑動運移;討論了顆粒的拋擲運移,給出了筒式篩網上的拋擲指數及其變化規,提出了筒式篩網的均拋擲指數的概念及計算法,研究了筒式篩網上顆粒拋擲運移的產生條件和終止條件,以及顆粒拋擲運移的輸送;還討論了筒式篩網的旋轉角對顆粒拋擲運動產生的影響。
  8. Solving the static correction problems under complex near - surface conditions is a systematic engineering. first, careful field weathering investigation must be done, then we have to take full advantages of refraction first - break information and field weathering investigation information to compute field static correction and large residual static corrections with various refraction first - break statics methods, finally, reflection statics methods are used iteratively to solve the residual statics problems. to solve serious static correction problems in complex near - surface areas of western china, different refraction first - break statics methods are studied in this thesis. the main study contents are as follows : 1 ) the propagation features of refraction for horizontal layered and dip media are studied firstly, it lays a good theoretical foundation for later statics method studies

    本文針對目前西部油氣勘探中迫切需要解決的復雜地表區靜校正技術難題,對初至折射波解決二維和三維長、短波長靜校正問題的正反演法進行了深入的研究和探討,研究內容主要包括( 1 )水層狀和傾斜界面折射波的傳播規,為后續的折射靜校正法研究奠定理論基礎; ( 2 )二維復雜層狀介質地震折射波正演法,該法可適用於折射面起伏不大、低層和折射層變化不大的情況。
  9. Current. in order to make diffluent piers with low ridge to be popularized and applied, the surface wave of low fr. current is chosen as the research object. we measure the surface wave elements and the velocity distribution of various diffluent piers scheme by the experiment of physical model. we also analyze the average wave height, the the average value of the square of wave, unit width of the wave ' s energy, the probability density distribution of wave height, and the power chart character, so as to reveal the weakening wave mechanism of the diffluent piers

    低fr水流的核心是波浪問題,為了低坎分流墩的推廣應用,本研究以低fr水流的表面波浪作為研究對象,通過物理模型試驗,對各種分流墩案消能工的下游水面波浪要素、流分佈進行測試,分析低坎分流墩下游波浪的均波高、均根、單寬波能、波高概率密分佈及功率譜特性變化規,從而揭示了低坎分流墩的削波機理。
  10. This method makes it possible for investigating the unsteady nonlinear potential flow in a complicated environment with higher efficiency. the aerodynamic forces of a wing in couple motion of heave and pitch with ground effect are analyzed in detail based on the numerical result. it is shown that a thrust force exists when the wing is in heave motion

    深入系統地分析了存在表面效應時機翼運動規和氣動力之間的關系,研究結果表明,機翼升沉運動產生的推力與升沉幅值的成比例,推力和推進效率和振蕩頻率成反比;機翼的俯仰運動可以調節推力和推進效率,但是單純的俯仰運動不會產生推力。
  11. The pseudo - dynamic test of 1 / 3 - scale model six - story building assembled with hollow shear wall with seams. the internal forces, the deformation and the failure mechansm of the building under earthquake are studied. the rules of frequency, damping and response spectrum are studied. the characters of earthquake response such as structure displacement, interstory drift, action of earthquake, the amplificatory coefficient of acceleration and the rule of strain are discussed. at last, this paper presented the design method of this structure based on the aseismic style and put forward the construction

    進行了帶縫空心剪力墻結構六層樓房的1 3模型的擬動力試驗,研究了結構在水地震作用下的受力特點、變形特徵、破壞形態等力學性能;得到了結構在不同受力階段的頻率、阻尼、反應譜等動力特性變化規;討論了結構各樓層的水位移、層間位移、地震力、加放大系數及構件應力分佈規等結構地震反應特徵;指出了結構的抗震類型、薄弱層及薄弱部位;提出了多層帶縫空心剪力墻結構的第一階段設計法和相應構造措施。
  12. The cost function of the optimal control problem is a weighted sum of the squared horizontal and vertical components of the helicopter velocity at touchdown. the control ( horizontal and vertical components of the thrust coefficient ) required to minimize the cost function is obtained using nonlinear optimal control theory

    其次,定義最優控制問題的性能指標為直升機著陸時的水和垂直的加權和為最小,並採用一階梯演算法得到使性能指標最小的控制規
  13. The numerical results show that the horizontal variation of response acceleration of gravity retaining wall is quite small since its lateral rigidity is large enough, the response at a given height level can be considered as the same, the maximum accelerations at different heights on the central vertical line can describe the distribution of earthquake load along the wall height in static analysis very well

    數值結果顯示,重力式擋土結構剛很大,地震加反應在水向差異很小,可看作是同步的,可取中心線上各點最大加來描述靜力法中地震作用沿高的變化規。在沿墻高向,加分佈不是呈直線變化,比較復雜,總的變化趨勢大體一致。
  14. The information is generated by the observatory s high - speed computer using physical models and mathematical equations to simulate the evolution of weather systems. the computer simulations are presented as maps showing the surface temperature, surface wind speed and wind direction, mean sea level pressure and the state of the sky at various locations

    這些預測資料是利用天文臺高電腦根據物理定及數學法計算出來的,以天氣圖顯示,內容包括地面溫、地面風向及風均海面氣壓及天氣的大致情況。
  15. With the input of a vibration acceleration history of subway train, a full dynamic analysis of soil - pile - structure is carried out. the propagation of vibration wave on the ground and vibration responses of the huge platform and the storied buildings are analyzed. some conclusions are drawn as follows : ( 1 ) with the increase of the distance to the vibration source, vibration intensity of the ground decreases ; ( 2 ) the vibration intensity of the ground in vertical direction is slightly larger than that in horizontal direction ; ( 3 ) with the increase of the distance to the vibration source, the situation that the vibration intensity of each building in horizontal direction is maximum at highest and lowest story whereas minimum at the middle story changes gradually to that decreasing with the height of building ; ( 4 ) in vertical direction, the vibration velocities and accelerations at the end points of each story of a building are the nominal identical, which indicates that the vertical vibration of them is unanimous ; ( 5 ) the vibration intensity in vertical direction of a building is larger than that in horizontal direction ; ( 6 ) increasing of the elasticity of track is an effective way to abate vibration of ground and buildings

    本文以北京地鐵八王墳車輛段地上超大結構(車輛段大臺及其上的小區樓房)及其地基基礎為研究對象,在研究和分析有關資料的基礎上,用快拉格朗日有限差分法軟體flac建立了二維數值分析模型,並以列車振動加時程作為模型輸入,進行了地基?樁基礎?地上結構的整體動力學分析,分析了地鐵列車運行產生的振動在地面的傳播規及其對地上結構的影響,得到了如下結論: ( 1 )隨著與地鐵線路距離的增大,地面的振動強有減小的趨勢; ( 2 )地面豎直向的振動強較之水向的略大; ( 3 )隨著與振源距離的增大,在水向上,地上各幢樓房的振動強由底層和頂層的最大、中間層的最小逐漸過渡到沿樓層增高而減小; ( 4 )在豎直向上,每幢樓各層端點的振動、加完全相同,表明樓房各層在豎直向上的運動狀態一致; ( 5 )各幢樓房豎直向的振動強比水向的大; ( 6 )增加軌道彈性是減輕地面和地上建築振動的有效途徑。
  16. In this paper, both the motor - vehicles models and non - motor - vehicles models are studied. the applicability of non - motor - vehicles models are evaluated and compared with the field survey in three aspects : arrival of vehicles, discharge of vehicles and change of velocity. the applicability of non - motor - vehicles models are evaluated and compared with the field survey in four aspects : average queue, maximum queue, delay and volume

    論文不僅從車輛到達、離散和變化規面驗證了corsim和simtraffic模型中機動車行為在北京市信號交叉口的適用性,還採用實測數據模型標定模擬試驗模型驗證適用性結論這一技術路線,以均排隊長、最大排隊長、延誤時間和通過的交通量為指標,通過多次模擬試驗深入研究corsim和simtraffic中行人、自行車模型在北京市交叉口的適用性。
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