超過現值數 的英文怎麼說

中文拼音 [chāoguòxiànzhíshǔ]
超過現值數 英文
excess present value
  • 超 : Ⅰ動詞1 （越過; 高出） exceed; surpass; overtake 2 （在某個范圍以外; 不受限制） transcend; go beyo...
  • 過 : 過Ⅰ動詞[口語] （超越） go beyond the limit; undue; excessiveⅡ名詞（姓氏） a surname
  • 現 : Ⅰ名詞1 （現在; 此刻） present; now; current; existing 2 （現款） cash; ready money Ⅱ副詞（臨時; ...
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 超過 : exceed; outnumber; outstrip pass forereach; outclass; override; overrun; overtake; surpass
  • 現值 : present value; current value; present worth
  1. The optical near - field distribution and propagation properties of solid immersion lens system are analyzed in detail when illuminated by linearly polarized focusing gauss beam. the change of the optical intensity and beam dimension at the bottom of solid immersion lens with different refractive index and different distance are discussed. the simulated results reveal that the higher the refractive index is, the stronger the optical intensity and the smaller the beam dimension at the bottom of the solid immersion lens will be

    編制了對固體浸沒透鏡近場超高密度光存儲系統進行模擬的二維時域有限差分程序，實現了對固體浸沒透鏡光存儲系統的數值模擬；著重研究了線偏振的高斯光束通過固體浸沒透鏡的光傳輸和近場光場分佈特性；分析了固體浸沒透鏡底面出射光強、光斑直徑隨固體浸沒透鏡折射率的變化、光透過固體浸沒透鏡后的強度、光斑直徑隨離開固體浸沒透鏡底面距離的變化。
  2. In the chapter two we discussed that the server would first use speed - 1 to serve customers when the system entered the busy state from the empty state, but when the server found the number of customers in the system exceeded the thresh - n during serving, after finishing the service of current customer it would use speed - 2 to serve the next customer till there is no customer. by the method of supplementary variable, l - transition and constructing vector markov, we attained the distribution of the queue length, the distribution of wait - time, the distribution of stay - time, the utility and etc. in the last part of this chapter, we discussed the optimal n * for thresh n which minimizing the cost function and we illustrate the cost function behaves for various parameter selections by a numerical study

    在本文第二章討論了當系統從空閑進入忙期時是服務臺以速度1進行服務，但一旦對某顧客服務完畢時如發現系統中的顧客數超過n值時就以速度2服務后續顧客直到系統變空的可修排隊系統，通過構造各種向量馬氏過程和吸收向量馬氏過程，獲得了瞬態、穩態隊長分佈、等待時間分佈、逗留時間分佈、更新周期分佈等一系列排隊指標以及可用度、可靠度等一些可靠性指標，在本章最後又從系統如何更好節省費用角度出發討論了門限n的最優取值問題，並利用mathematic軟體對費用函數進行了數值模擬。
  3. Meanwhile, the study also shows that the diversity of studied cave animals is inversely proportional to human population density and water quality ; and bio - diversity, to some extent, is proportional to soil fertility and amount of chemical fertilizer, but inversely when excessive ; the correlativity between bio - diversity and vegetation cover rate is not obvious, when ground vegetation is strongly interfered by human being ; the amount of diestrammena marmorata is proportional to the d iversity of plant, and inversely proportional to soil fertility, and in a way, to water quality ; and the correlativity between community and water quality and soil fertility, and between water quality and the amount of mosquito and fly, is not as good as expected. the author points out that diestrammena marmorata, bat, mosquito, fly, oreolalaxrhohostig metus ( or cudata ), and fish can be chosen as in

    同時，研究還表明：調查洞穴的物種多樣性與人口密度、水質成負相關；在一定范圍內，物種多樣性與化肥施用量、土壤肥力成正相關，超過一定的值則成負相關;在人類對地表植被的高強度作用下，物種多樣性與植被覆蓋率的相關性不明顯;蚊蠅數量與土壤肥力基本上呈正相關;斑灶馬數量與植物種數呈正相關，斑灶馬數量與在一定水質范圍內與水質呈負相關，與土壤肥力呈負相關;群落數與水質和土壤肥力、蚊蠅數量與水質都不能表現較好的相關性;研究認為，可以選擇斑灶馬、蝙蝠、蚊蠅、紅點囊蟾（或有尾類） 、魚類等作為指示動物對洞穴環境進行監測。
  4. 1 m 0. 5, the phase - shifted angle 6 is controlled in term of sine law which makes the magnitude of resonant voltage track a reference sine voltage, and the resonant voltage is rectified, filtered, inverted and then the better sine - voltage output is obtained, theoretical analysis and experimental results show that for the resistive load and inductive load, the switches of leading leg of the phase - shift - controlled circuit are always turned on at zvs, and ones of lagging leg are turned on at zvs ( < 0 ) or turned off at zcs ( ( > 0 ), moreover, all switches in the low - frequency inverter are always turned on and off at zvs, the measured circuit efficiency for rated load reaches up to 88 %

    從功率單向流動角度出發，提出了一種lcc諧振型恆頻移相單相高頻鏈逆變電路拓撲，在調制系數0 . 1 m 0 . 5情況下，控制移相角按正弦規律變化，使諧振電壓脈沖列的幅值追蹤參考正弦電壓信號，經過整流、濾波、低頻逆變，從而獲得正弦度較好的輸出電壓。理論分析和實驗結果證明對于阻性負載或阻感性負載，移相全橋具有超前橋臂零電壓開通，滯后橋臂或者零電壓開通（ _ 0 ）或者零電流關斷（ _ 0 ）的軟開關特性，而低頻逆變器的各個開關均實現零電壓條件下的開通與關斷。
  5. The numerical results indicate that the deformation within the solid inner core is very small. however, in the fluid outer core, the changes of the displacement with relatively low spherical harmonic degree ( n < 10 ) is very complicated via the radius, due to the resonance near the eigenfrequenies of the core long - period oscillations. while the spherical harmonic degree of the loading is larger than 10, the deformation and the gravitational perturbation in the core are very small, and the earth ' s deformation response is dominantly represented as the radial displacement in the elastic mantle

    研究了地球在日月引潮力和表面負荷作用下的形變特徵，數值計算結果表明，在固體內核中的形變很小，由於在長周期核模本徵頻率附近的共振，液核中低階（ n 10 ）位移隨半徑的變化非常復雜，當負荷階數超過10時，地核中的形變和擾動位都很小，地球的響應主要表現為彈性地幔中的徑向位移，且隨深度增加急劇減弱，地表負荷love數與信號頻率的依賴關系很弱，給出了體潮love數計算的一種有效的近似處理方案。
  6. In the chapter 4, we make an extension to the model of the chapter - 2. the service speed change is instant, that is say, during the service using speed - 1 to serve, if the number exceeds the threshold n, then the server should immediately use speed - 2 not speed - 1 to serve current customer and the next till entered the empty state. we especially point out that the classical m / g / 1 queuing model and the m / g / 1 queuing with n - policy are the particular cases of model discussed in chapter - 4

    第四章對第二章討論的模型進行了進一步的擴展，其服務速度1到速度2的轉移規則是瞬間轉移，也即當服務臺以速度1服務顧客的過程中如發現系統中的顧客數已超過門限n值時就即刻調整為以速度2服務當前顧客和后續顧客直到系統變空的可修m g （ m g ） 1排隊系統，並指出經典的m g 1和具有n -策略的m g 1排隊是本章研究的兩種特例。
  7. Yesterday saw to an article said the modern professional woman, equally does not hug the child to surpass above for a hour every day, the majority all is holds for the child - care worker perhaps mother - in - law brings, usually all treats in the company to very late only then gets off work, returns only to be able to looks at a child on the way, even some people hand over by the south parents, only can use the week day to look them, except is very laborious also is unable with the child to establish the good relations, a little affects regarding theirs growth process, actually i spend nearly four hours back and forth coming and going to work, so long as can see daughter ' s lovable appearance was worth

    昨天看到一篇文章說現代職業婦女，每天平均抱不到小孩超過一小時以上，大多數都是托給保母或是婆婆帶，通常都待在公司到很晚才下班，回到只能順路去保母家看一眼小孩，甚至有人交由南部的婆婆媽媽帶，只能利用周休假日通車回家看，除了是很辛苦也無法和小孩建立起良好的關系，對於他們的成長過程多少有點影響，其實我每天花近四小時來回上下班通車，只要能看到女兒可愛的模樣就值得了。
  8. The water quality respond relation of input - output measurements are established by systematic theory in this paper. according to the peculiarity of hydrology and the necessity of water quality inverse problem the multi - parameter inverse problem model based on ordinary differential equation is developed. the existence and uniqueness of the solution of the ordinary differential equation about two parameters or multi - parameter are to be proved. the unstability depending on errors between monitoring data and interpolation approximate data are analyzed and demonstrated. cubic spline interpolation function, the least two multiply and positive rule method are conjoined for obtained solution of multi - parameter. the results from this algorithm indicats its efficient to the multi - parameter identification in water quality modeling

    本文應用系統理論，建立了水質多參數輸入輸出之間的響應關系；根據河流水文水質變化特點和參數反問題的需求，建立了水質常微分方程多參數反問題模型.根據常微分方程參數反問題的數學理論，作者給出了兩參數和多參數水質常微分方程反問題的解的存在性、唯一性的理論證明過程和結論；還針對水質現有監測資料的測驗誤差和插值近似計算誤差造成參數反問題的不穩定性，將三次樣條插值函數、超定方程最小二乘法和正則化演算法有機地結合使用，成功地給出了水質參數反問題的穩定化演算法.最後給出了應用計算結果
  9. Policy - holder is old period after life - insurance pay insurance cost, retreat ahead of schedule before insurance expires protect, two kinds are retreated differently maintain pattern, one kind is to arrive two years in retreat the poundage with already handed in insurance cost to deduct certain is pressed when protecting reimburse insurance cost ( the insurance cost that waits to will be received then undertakes returning returning after deducting poundage, not plan breath or do not keep a cost ) ; another kind returns cost of money namely, back down during exceeding particular insurance namely protect, right now insurance company according to previous provision each period cost of money undertakes returning returning to policy - holder, be equal to gold of repayment of capital and interest are returned to already paying insurance cost after deducting certain overhead expenses, the cost of money after arriving 2 years 3 years commonly has exceeded the insurance cost of original pay, will have compound interest rise in value according to fixed interest rate, the cost of money that these can add after clauses gets exact numerical value on the watch

    投保人為多年期的人壽保險繳納保費后，在保險到期之前提前退保，有兩種不同的退保方式，一種是一到兩年之內退保時按已交保費扣減一定的手續費退還保費（等於是將收到的保費在扣除手續費后進行返還，不計息或不保值） ；另一種就是退還現金價值，也就是在超過一定的保險期間後退保，此時保險公司按照先前規定的各期現金價值對投保人進行返還，等於在扣除一定的治理費用后對已交保費返還本金和利息，一般二年到三年後的現金價值就已經超過原來繳納的保費，並將按照一定的利率進行復利增值，這些都可在保險條款后所附的現金價值表上得到準確的數值。
  10. Many technologies of electrically small antennas and wide band antennas are discussed in theory, simulation and experiment. and some novel electrically small or wide band antennas are proposed. the loaded monopole is analyzed in depth integrating the genetic algorithm ( ga ) with the method of moments ( mom ) in order to increase the gain and decrease the vswr of antennas used at hf / vhf band

    在本論文的研究過程中，通過合理利用各種現有的天線寬帶化和小型化的理論成果、有效的綜合各種技術措施，運用矩量法和遺傳優化演算法等數值方法，深入研究了加載單極子天線問題，旨在全面提高高頻/甚高頻頻段內的天線增益和降低電壓駐波比，以獲得較高增益的、基本滿足駐波要求的小型超寬帶天線。
  11. We got the spatial distribution map of population density by spatial interpolation, in which the population data are distributed on the grids. the results of the distribution of interpolated based on gis is closed to a real population distribution. the combination of the spatial interactive models and a shortest path algorithm for public transit network is analyzed by supermarket ' s accessibility based on pedestrianism and public transit. this methods may be used to investigate potential supermarket ' s locations. the quantitative analysis about the supermarket ' s market area is realized based on trade mode of lashmanan and hansen, which mainly includes spatial distribution of population, traffic accessibility and free competition between different firms

    文中應用空間內插技術實現了人口數據空間分佈化，將人口數據通過空間插值分佈於研究區域內，使人口空間分佈更接近實際；應用公交最短路徑演算法及空間相互作用模型實現了基於步行和公交出行的超市可達性，將交通對超市選址的影響定量化，方便了方案的比選；在綜合考慮人口空間分佈、超市交通可達性、現有零售商業競爭態勢的基礎上，基於拉、漢購物模式實現了超市商圈定量分析。
  12. Based upon the forward simulation principle of ground penetrating radar, this article analyzes the realization method of the half grid spacing and the half time increment in difference format, at the same time analyzed the produce of the numerical frequency dispersion, then deduced the ideal frequency dispersion relationship and the super absorbing boundary condition

    摘要本文從地質雷達正演原理著手，分析了差分格式中半空間步長與半時間步長的實現方法，同時通過分析數值頻散的產生，進而推導出了理想頻散關系和超吸收邊界條件。
  13. In general, the upward amplitude curve " curvature is larger, and it changes quicker. on the contrary, the downward is smaller and slower ; because the flare force contains the square of the wave elevation velocity, it results in an difference between the flare force frequence and the associated moving frequence ; the flare force decreases the downward amplitude of heaving oscillations ; the speed of ship has an ignorant effect on the peak values of three calculated values, but there is an obvious effect on the oscillating frequence ; the wave amplitude has an effect on the ship motion, and there is an linear relation between the oscillating amplitude and the wave amplitude on the whole. by the way, there are some experiences and lessons according to the progress calculation : before the calculation of the ship motion, we should checkout the balance in a calm water firstly, namely, the whole displace of ship and the longitudinal position of the center of gravity must be consistent with the draft in calm water, or else, the calculation may show the " floating " phenomenon ; the mixed language programming has a lot of virtues, but it exists a fatal limitation - the debug of dll

    研究表明：在某些頻率范圍內相關水動力系數基本不隨吃水變化，只有超過某一頻率后水動力系數的值才會出現差異；在橫搖方向，水動力系數並沒有隨著吃水的變化發生規則變化，而是出現了波動現象；近船首剖面的水動力系數計算表明，水動力系數的波動非常大，並遠遠偏離了平均位置的水動力系數值，值的變化速率也不盡相同，總的看來，上振幅曲線曲率較大，變化較快，下振幅曲線曲率較小，變化較慢；外飄力和波面運動的速度的平方項有關，導致其振動頻率和相應運動方向的頻率不同；外飄力使升沉向下運動的幅值減小；船速對三個計算量的峰值影響甚微，但對振動頻率有明顯影響；波幅對船舶運動的影響是明顯的，船舶運動的幅值基本上和波幅成線性關系。
  14. The emerging electronic industry, comprised of 400 enterprises, grows at an annual average rate of 60 % in terms of the output value

    順德電子通信產業發展迅猛，現有企業數量超過400家，產值年均增速超過60 % 。
  15. This paper researches the numeric approximation characteristic of series - parallel fuzzy system and points out that the number of fuzzy rules should not exceed the number of the samples. in addition, the influence of approximation error and system initial error on the performance of the series - parallel fuzzy system is also investigated

    本文研究了串並聯方式模糊系統的數字逼近特性，得出結論：當模糊規則數等於樣本數時，已經可以實現精確插值，因此模糊規則條數不能超過樣本數目，否則將冗餘，並可能引起振蕩，削弱模糊系統的泛化能力。
  16. The two - dimensional axisymmetric subsonic - transonic - supersonic flow in an experimental arcjet thruster is simulated numerically using flux vector splitting method. the profiles of density, velocity, temperature, pressure and mach number can be obtained by the computation. the computation grid and some computed results are given here. the test equipment such as power supply system, ignition system, propellant supply system, arcjet thruster, thrust measuring device and vacuum system are introduced briefly. some working phenomena of the arcjet are observed and discussed. three different kinds of instability appeared in the process of the experiments. except some important parameters are measured, it is found that the operating stability of argon is better than that of nitrogen

    對一實驗電弧加熱式發動機二維軸對稱亞跨超音速流動進行了數值模擬，所採用的方法是矢通量分裂演算法.通過計算可以得出密度、速度、溫度、壓力和馬赫數的分佈.給出了計算所使用的網格和一些計算結果.簡要介紹了實驗所使用的設備，如電源系統、點火系統、推進劑供給系統、電弧加熱式發動機、推力測量裝置和真空系統.對所觀察到的一些工作現象進行了討論.有三種不同的不穩定性出現于實驗過程.除了所測量的一些重要參數，通過實驗發現氬比氮工作更穩定
  17. The calculation of the position of the shocks for the domain decomposition of the hyperbolic approximation is discussed. it is the matching stable problem for the different schemes in the different domains with different mesh size. after tracing the position of the shocks, the artificial compression method are applied to eliminate the smearing effect and to raise the resolution of the schemes. in the boundaries of each regions, the universal connected matching stable schemes are inserted in so as to make the schemes between different regions matching stable each other. at last, some numerical examples are presented

    討論在激波計算中的區域分解法，即在不同區域中應用不同網格及格式的耦合穩定性問題.先定出激波位置，再在激波附近小范圍內，用低階格式及人工壓縮方法以消除彌散效應.在激波區域外，應用高精度格式，減少了過超振蕩現象，提高了解析度.在各區域交界應用全能穩定聯接格式，解決了格式的耦合穩定問題.最後舉出數值計算實例，計算結果與理論分析符合
  18. Two perpendicular polarized light states and a no - light state are applied to express information in the ternary optical computer. the three states are transformed via two - dimension liquid crystal element and polarizators, and ternary arithmetic operation and ternary logical calculus completed directly in this way. the ternary optical computer will possess enormously number of bit ( easy to 104 ), light processor, light transmission path and electric control system

    三值光計算機用相互垂直的兩個線偏振光和零光強三個獨立的光狀態表示信息；用二維液晶器件和偏振器實現此三個狀態間的轉換；採用三進制算術運算；直接處理三值邏輯運算；擁有巨大的數據位數（容易超過10 ~ 4位） ；具有光運算、光傳送、電控制等結構特色，具有很強的空間、時間并行性。
  19. The annual number of days with heavy rain has increased at a rate of about 0. 4 per decade, from about 5 days in the 1950s to about 6 days in the 1990s. here heavy rain means rainfall exceeding 30 mm in an hour, the criterion for amber rainstorm warning. this increase is far less than the year - to - year fluctuation of the number of heavy rain days ranging from 1 to 13 days per year

    戰後天文臺總部的記錄顯示，大雨的出現率輕微上升，每年出現大雨一小時雨量超過30毫米的日數每10年上升約0 . 4天，即由50年代的約5天增至90年代的約6天左右，不過要注意這個上升數值遠小於年際變化由每年1天至每年13天不等。
  20. I ran a screen of domestic stock funds with more than $ 10 billion in assets to find five big funds with low r - squared figures

    經過對資產總值超過100億美元的國內股票基金篩選，我發現了五隻較大的低可決系數的基金。
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