無摩擦的 的英文怎麼說
中文拼音 [wúmócāde]
無摩擦的
英文
frection free-
Bubbles, crashes, and contagions in a frictionless market
無摩擦市場中的泡沫碰撞和蔓延Orbit non - friction ball valve is a new type of valve and realizes non - friction switching and metal pressurization of the valve by cam mechanism. this paper researches the design of orbit non - friction ball valve mechanism and its computer aided design. the main work and the result are as follows : the author puts forward the kinetic analysis method of orbit non - friction ball valve, analyses the track and motion space of the conglobulation for switching etc, and brings forward rule of its configuration design, designs its assembling body and all the part
本論文對軌道式無摩擦球閥機構設計及計算機輔助設計系統進行了研究,取得了以下幾方面的成果:提出了軌道式無摩擦球閥的運動和動力分析方法,完成了球閥啟閉運動軌跡、球體運動空間以及主要零部件的受力等分析,進一步提出了球閥結構設計的準則,完成了球閥裝配件及所有零部件圖的設計。Pulley bearings are frictionless.
滑輪軸承是無摩擦的。Evading risk in financial trading market cries for pricing options to a nicety. asian option, as the most flourish options in the finace market, the pricing has been focused on always. the exact pricing formula for the geometric average asian option had existed, but as to the european - style arithmetic average asian option, due to the dependence structure between the prices of the underlying asset, no analytical formula exists. on the hypothesis that the market is frictionless and without transaction costs 、 on the base of b - s ’ s and in the binomial tree model, we provide several algorithms for computing an accurate value of the european - style arithmetic average asian option. following rogers and shi and by jensen ’ s inequality, many different upper and lower bounds are provided ; meanwhile a formula have got by the comonotonicity and approximating the distribution function. all of the algorithms are easy for programming. with the development of computer, more accurater price can be computed quickly. and numerical example proved that these algorithms are very accurate
對于幾何平均亞式期權它的定價相對簡單,已經給出了定價公式。對于算術平均亞式期權,它的未定權益具有軌道依賴特性,一直沒有得到它的定價方程的解析解形式。本文基於對市場是無摩擦且在沒有交易費用的情況下,在b - s模型下,利用二叉樹模型給出了算術平均亞式期權定價方法;並總結了利用jensen 』 s不等式給出的各種不同情況下的上下界;同時應用共單調性和近似分佈函數的方法也給出了算術平均亞式期權價格的近似公式。Based on the tribological principle and the theory of contact mechanics, it is feasible to adopt curvature - changing structure in the rock - bit journal bearing system. the structure and coupling relationship of curvature - changing journal bearing under the condition without friction have been analyzed and three kinds of sub - form structure configurations, namely, the pseudo - curvature - changing structure, the conformable curvature - changing structure, and the clearance curvature - changing structure, been differentiated according to the contacting features. the shape optimization and pre - running - in regulations of the contact surface of curvature - changing journal bearing under friction condition have been established. the results of rock bit journal bearing test indicate that the tribological behavior of the bearing can be effectively improved by curvature change based on both designing and pre - running - in
基於摩擦學原理和接觸力學理論,提出了可在牙輪鉆頭滑動軸承中採用變曲率結構.在不考慮摩擦的情況下,就結構設計和配合關系等問題進行了分析討論,劃分了準變曲率、吻合變曲率以及間隙變曲率等3種結構形式;針對考慮摩擦時的變曲率結構,提出了接觸形狀優化和預磨合的實施方案.鉆頭軸承試驗結果表明,無論是預設計變曲率還是預磨合變曲率,都能改善軸承摩擦副的摩擦學特性,因而值得進一步研究和推廣Articulated without friction and capable of being prolonged like a vowel
流音的無摩擦清晰發出並可象母音一樣延長的In motion with a fixed frictionless constraint, no work is done by the constraint.
在固定的無摩擦約束運動中,約束力不作功。The suspension of the mirrors must be very frictionless, but strongly damped.
反射鏡的懸掛既要無摩擦,但又要有強阻尼。Figure 2-1 represents a flat, rigid object of arbitrary shape on a level surface having negligible friction.
圖21表示一個任意形狀的扁平剛體,放置在無摩擦的水平面上。The payments for capital and labor are totally set by market power and capital ( labor ) suppliers of any firm have no power to alter the transaction terms with its labor ( capital ) suppliers to their advantage and thus every firm generate zero economic profit. every firm ' s value is equal to the sum of the market prices of the human assets and physical assets that it use and thus the formation and disbandment of a firm have no influence on the interest of any of its members. through an efficient comparison of production within the firm and the scattered individual production coordinated through markets, the dissertation reveals that the origin of the power relationship phenomenon within the firm is that the suppliers of the resources to the firm in real world are unable to enter into legally binding complete contracts as walras assumed
在一般均衡範式中,企業是一個追求利潤最大化的原子;企業的生產過程被描述為一個「黑箱」 ,它自動地、無摩擦地把任何一組投入轉化為既定的技術約束下所能生產的最高產出;資本和勞動僅僅是生產過程中不同類別的投入,它們之間的關系是對稱的,它們各自的報酬都是完全由市場整體的力量決定的,任何一個企業的資本(勞動)提供者都不可能為了增進其自身的利益而改變與勞動(資本)提供者的交易條件,從而任何一個企業產生的經濟利潤都為零;任何一個企業的價值都等於該企業使用的人力資產和非人力資產的市場價格之和,組成一個企業不會增進任何參與人的收益,解散一個企業也不會降低任何參與人的收益。Figure 7-13(a) shows a man standing on frictionless roller skates on a level surface, facing a rigid wall.
圖713(a)表示一個人穿著無摩擦的有輪滑冰鞋站在水平平面上,面對著一堵堅硬的墻。It has the properties of no friction, no fray, dispense with lubricate, lasting life, all extrude excellence above which ca n ' t be seen in traditional roll bearing and sliding bearing
其具有無摩擦、無磨損、無需潤滑以及壽命長等一系列傳統的滾動軸承和滑動軸承所無法比擬的優點。Preliminary studies suggest that friction free ultraspeed vehicles could operate as frequently as every 10 minutes and could achieve the following approximate journey times : london to birmingham - 30 minutes
最初的研究建議,無摩擦的ultraspeed車輛的發車頻率可以為10分鐘,以下路程大致所用的時間分別為:Figure 2 - 1 represents a flat, rigid object of arbitrary shape on a level surface having negligible friction
圖2 1表示一個任意形狀的扁平剛體,放置在無摩擦的水平面上。Figure 7 13 ( a ) shows a man standing on frictionless roller skates on a level surface, facing a rigid wall
圖7 13 ( a )表示一個人穿著無摩擦的有輪滑冰鞋站在水平平面上,面對著一堵堅硬的墻。Steel tubes and fittings for on and offshore pipelines - internal coating for the reduction of friction for conveyance of non corrosive gas
海上和近海管道用鋼管和配件.降低無腐蝕氣體運輸摩擦的內塗層It is typically difficult to experimentally replicate spacecraft dynamics in an earth - bound laboratory because of the influences of gravity and friction
由於地球引力和摩擦的影響,要想在地球上的實驗室實際復現航天器動力學無疑是非常困難的。Active magnetic bearing ( amb ) is one of typical electronic & mechanical products and a new type of high performance bearing piece. it has the properties of no friction, no fray, dispense with lubricate, lasting life, all extrude excellence above which ca n ' t be seen in traditional roll bearing and sliding bearing
主動磁軸承是典型的機電一體化產品,是一種新型的高性能支承部件,其具有無摩擦、無磨損、無需潤滑以及壽命長等一系列傳統的滾動軸承和滑動軸承所無法比擬的突出優點。But the history of economics tells us that economists try to set up an imbricative and ideal economic society by imitating physics, aiming at self - evident truth which had become reality by calculus analysis, especially after the prevalence of marginal revolution
筆者認為經濟學史實與此恰恰相反,經濟學的最初建立是仿物理學的,並且一直在試圖建立一個無摩擦的理想經濟社會,公理化是其追求的最終目標,特別是邊際主義盛行以後,這一理想通過微分分析成為現實。Detailed numerical studies are presented for the transitional dynamics of the steady - state motions of those systems with the variation of the excitation and the system parameters, with the illustrations given for rich nonlinear phenomena, such as the bifurcations of periodic vibro - impact motions and the chaotic vibro - impact motions. in chapter 5, the existence of the periodic vibro - impacts, as well as the corresponding stability is analyzed for an oblique - impact vibrating system composed of a spring - pendulum and an oscillator. when the system damping and the tangential friction
結果表明,在無阻尼、無摩擦的簡化情況下,周期斜碰撞振動運動具有嚴格的存在條件,並隨激勵參數的變化出現復雜的分叉和穩定性的反復切換;運動阻尼可在較大參數范圍內對非穩定運斜碰撞振動系統動力學研究( 5 ) ( 6 )動鎮定;相對而言,切向摩擦對系統穩態特徵的影響不大。分享友人