種數平衡 的英文怎麼說

中文拼音 [zhǒngshǔpínghéng]
種數平衡 英文
species equilibrium
  • : 種名詞(姓氏) a surname
  • : 數副詞(屢次) frequently; repeatedly
  • : 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 (秤桿) the graduated arm of a steelyard2 (稱重量的器具) weighing apparatus3 (姓氏) a...
  1. It has the good qualities of both tem horn antenna and dipole antenna, less dimensions construction, good direction and higher efficiency. its impedance and radiation are analyzed. good agreements are obtained from experiment and calculation

    面喇叭天線採用了新型的饋電方式,結構簡單,性能良好,同時結合了tem喇叭和振子天線的優點,結構維低,具有較強的方向性、較高的效率,在uwbsar軌道系統實驗中取得了比較理想的結果。
  2. The development of single chips and analyzers at home and that of overseas compared, a kind of pocketable dual - channel and multi - function signal analyzer, based on dsp, are researched with the functions of dynamic analyzer, data logging acquisitor, start - up / coast - down analyzer and dynamic balancer, etc. and the functions data acquisition, storage, display and analysis of vibration signal are validated in practice, high - speed float point data calculation ability, large memory space and simple operation are the characteristics

    高性能單片機尤其是dsp功能晶元的採用及用戶技術要求的不斷提高,使得信號分析儀的功能越來越完善,在比較了國內外單片機和信號分析儀的發展現狀后,開發研製了一基於浮點dsp晶元tms320c32的便攜式雙通道多功能信號分析儀,兼有動態信號分析儀、巡檢采器、起停車分析儀、動儀等多儀器的功能。
  3. The architecture of client / server based on transaction middleware is a typical kind of the distributed on - line transaction processing, becoming a major platform of enterprise information system, which offers communication of striding platform, loading balance, fault - tolerant and resumable ability, and strengthens a new generation middleware in common with 3 - layer architecture provided with the strong security, excellent management and high availability in common. numerous distributed system, different database and different network environment are closely linked up among an enterprise, offering the function of mutual operation on application layer

    基於交易中間件的c s結構是一典型的分散式事務處理系統,成為構築企業信息系統的主流臺,它提供了強大的跨臺通訊、負載、容錯及其故障恢復能力,並在這個基礎上進一步強化了安全性、可管理性和高可用性的新一代通用型三層結構臺的中間件,把企業中眾多的異構系統、異構據庫、不同網路環境緊密的聯系起來,並在應用層提供了互操作性的功能。
  4. At the same time, this thesis focuses on the theoretical research on the lbgk method and discusses the inner relation between the lbgk and the n - s equations. the relationship among the selection of velocity group, the forms of equilibrium distribution functions, and the macroscopic n - s equations is clearly revealed. lbgk method has many advantages, such as easy dealing with the complex boundary conditions and high amenability to parallel computing

    本文系統地總結了各lbgk模型,特別是對lbgk模擬二相流和多相流模型進行了認真地研究;同時從新的角度對lbgk進行了理論研究,用全新的方法探討了lbgk和n - s方程的本質聯系,清晰地揭示了速度族的選擇、態分佈函的形式和宏觀ns方程三者之間的關系。
  5. One class classification is a machine learning approach different from the traditional pattern recognition approach where two or more class samples are required. however in some real - life cases, we can hardly, even not, get the samples of some classes, or have to pay costly price to obtain the so - needed samples, such as in the case of machinery malfunction. and while in other cases, the sizes of samples among classes are imbalance, such as medical diagnosis

    單類分類器是不同於傳統模式識別的一機器學習方法,傳統模式識別方法一般需要多個類別的樣本(至少兩個) ,而在有些場合中,幾乎無法獲取多類的樣本,或者獲取其樣本所需花費的代價非常高,比如:機器故障中我們不可能為了去獲得故障樣本而讓機器特意產生故障;又有些場合的類別樣本個嚴重不,比如醫學上的疾病特徵與非疾病特徵的比例是嚴重不的。
  6. This paper proposes a handoff algorithm using dual - window measurements in cellular mobile communication system. the proposed algorithm can provide a suitable balance of probability and delay of handoff. an analysis model of this algorithm is given in this paper. the proposed algorithm is especially fitted to the situation which mobile station needs to measure the signal strength from many base stations

    本文提出了一新的蜂窩移動通信系統越區切換測量演算法,該演算法採用了兩個長度不同的測量窗口,有利於在切換時延和切換均次這對矛盾之間取得更為有效的,特別適用於需要對多個基站進行切換測量的情況.同時本文給出了基於矩形窗口的雙窗口切換測量演算法學分析模型,及值分析結果
  7. The confounding design and the balanced incomplete block design were introduced from the fundamentals of special design, which may be applied to the experiment with fewer homogeneous experimental units and more treatments

    根據特設計的基本原理,介紹了用混雜設計、不完全區組設計以實施基因型同質試驗單元較少而處理較多的試驗。
  8. Semi - closed cube : an effective approach to trading off data cube size and query response time

    半封閉據立方體:一有效據立方體體積和查詢響應時間的實現方法
  9. In this article, the principle and application of several gene mapping methods are discussed, including linkage analysis ( parametric and nonparametric linkage analysis ), association study and linkage disequilibrium analysis

    本文簡要介紹疾病基因定位的幾常用分析方法,包括連鎖分析法(參法和非參法) 、關聯分析和傳遞不分析的基本原理和應用范圍。
  10. 4. with visco - elastic boundary of soil considered, the eigenvalue equation in frequency domain of soil dynamic equilibrium equation falls into a complex transcendental equation. in course of seeking its solution, based on argument principle and contour integral, with the aid of matlab, two numerical algorithm combined with the corresponding procedures for solving transcendental equations in a complex plane is developed by the author

    4 、由於考慮了土體的粘彈性支承邊界條件,使得其動力方程在頻域內的固有值方程為一復超越方程,為了求解該方程,筆者基於幅角原理和閉合曲線積分,結合matlab ,提出了復面上超越方程的兩值解法,並編制了相應的程序。
  11. The paper proceeds from the transient equation for voltage and torque, analyze the electromechanic time constant of permanent - magnet dc servomotors based on the theory, and compare with the several testing methods which are used normal in the engineering, point out the difference and applying area also for the testing error which is led to possibly

    摘要為了準確評價伺服電動機的動態性能指標,從電機的電壓、轉矩方程式出發,在理論上對永磁直流伺服電動機的時間常進行了分析探討,並對工程實際中常用的幾測試方法進行分析和比較,指出其差別和適用范圍以及可能造成的測試誤差。
  12. ( 2 ) study the 4 plastic limit equilibrium methods, such as fellenius method, bishop method, transfer coefficient method and plane linear method, and their program design

    ( 2 )常用的4極限法:瑞典法,簡化畢肖普法,傳遞系法和面直線法研究並進行程序設計。
  13. In this paper, we at fist analyse the distribution of magnetic field in the permanent magnet synchronous motor which rate power is 800w and calculate parameters of this motor on the basis of the traditional approach to ca1culating armature reactance, we put forward a new method which is based on the iteration of the electromotive force equation, and name it after " electromotive oprce method "

    本論文運用有限元方法分析一臺800w稀土永磁同步電動機內部電磁場的分佈情況,計算出相應的電機參。並在傳統的計算電樞反應電抗的基礎上提出了一基於電勢方程式的計算方法,本論文稱之為「電勢法」 。
  14. Based on the experimental results, several measures including the selection of high - yielding, high nutrient - efficiency variety, correct crop management practices to increase harvest index and returning rice straw to soil were suggested to keep nutrient ( particularly k ) balance in soil - crop system with high - yielding rice production

    根據試驗結果推薦了幾項高產措施,包括選用高產、高養分利用率品、改進作物管理措施以提高收獲指和稻草還田,在水稻高產生產土壤作物系統中保持養分(尤其是鉀)
  15. ( 3 ) three methods of water yield - use balance, reversed operation and dispatch chart operation have been introduced for the operation of heiquan reservoir individually. the dynamic inquiry of dispatch of reservoir, and orperation information in figures and data revising in table or figures has been realized

    ( 3 )為該水庫設計了水量調度、反運用調度、調度圖調度三興利常規調度模式,並且實現了水庫調度圖和調度資料的動態查詢以及通過圖表聯動修改據。
  16. According to the queuing analysis of 606 kinds of commodities made by the all - china commercial information center, in the first half of this year the supply - demand balanced and oversupplied commodities accounted for 98. 3 percent, of which 87. 2 percent of industrial consumer goods were in excess supply, the situation of oversupplied farm and sideline products further expanded, although the total value of retail sales of social consumer goods and the total sale value of the means of production witnessed a fairly large increase over last year ' s same period, due to aggregate supply outdoing aggregate demand, however, in the first quarter the nation ' s commodity retail price index dropped by 2. 9 percent, residents ' consumer price fell by 1. 4 percent, the price of the means of production continued to fall

    據中華全國商業信息中心對606商品排隊分析,今年上半年供求與供過于求的商品佔98 . 3 % ,其中87 . 2 %工業消費品供過于求,主要農副產品供大於求的狀況進一步擴大,全社會消費品零售總額與全社會生產資料銷售總額雖比去年同期有較大幅度增加,但由於總供給大於總需求,一季度全國商品零售價格指同比下降2 . 9 % ,居民消費價格下降1 . 4 % ,生產資料價格也持續下降。
  17. Using the order - up - to ( out ) method and two demand forecasting patterns, that are exponential smoothing forecasting and moving average forecasting, we give the frequency response plot and the noise bandwidth figure with the help of the system control tool of matlab. we show that information sharing helps to reduce the bullwhip effect, especially at higher levels in the chain. however, the bullwhip effect problem is not completely eliminated and it still increases as one moves up the chain

    本文的重點內容就是用控制論的理論和方法來研究牛鞭效應,應用補充到目標庫存策略( out )和兩不同的需求預測方法,即指預測法和移動預測法,用matlab的系統控制工具箱作為分析工具,分別給出了信息共享情況下和無信息共享情況下的頻率響應圖和帶寬比較圖,證明了信息共享能夠減弱牛鞭效應,尤其是在供應鏈的高級階段,但牛鞭效應並不能完全消除,仍舊隨著供應鏈階段的上升而增加。
  18. The imbalance is twice as great as government advisers expected after adjusting the figures to take account of the subjects offered at each university

    政府顧問們對各所大學提供的課程進行考慮,對字加以調整后發現:這現象是原來預計的兩倍。 ?
  19. For ac electric arc furnace is an unbalanced, nonlinear and time variant load that produces unbalance, harmonics and interharmonics related with flicker effect. the modeling of all these aspects requires adopting a nonlinear, asymmetrical and dynamic v - i characteristic for the electric arc

    由於交流電弧爐是一的、非線性時變負載,它產生與電壓閃變有關的不、諧波和分諧波,所有這些就需要一非線性、不對稱的動態u ? i特性的電弧爐模型。
  20. This unbalanced condition could lead to bottlenecks when an application attempts to retrieve data and slowdowns when it processes data

    的條件會在應用程序試圖獲取據時導致瓶頸,並在處理據時變慢。
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