有效平均值 的英文怎麼說

中文拼音 [yǒuxiàopíngjūnzhí]
有效平均值 英文
actual mean
  • : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
  • : Ⅰ名詞(效果; 功用) effect; efficiency; result Ⅱ動詞1 (仿效) imitate; follow the example of 2 ...
  • : 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形容詞(均勻) equal; even Ⅱ副詞(都; 全) without exception; all
  • 有效 : effective; valid; efficacious
  1. The mean effective population size could be estimated as a harmonic means of the ne.

    估計出種群大小,作為所世代Ne的調和
  2. The mean effective population size could be estimated as a harmonic means of the ne

    估計出種群大小,作為所世代ne的調和
  3. The results show that the genetic diversity of filial generations is higher than self - bred progeny ’ s , the hybrid vigor has manifested at metabolization level 。 the proportion of polymorphic loci ( p. 99 ) in f1 generations was 30. 77 - 36. 36 % , the mean observed heterozygosity ( ho ) of jmcf ( japanese male chinese female ) was the highest with 0. 1727, the rest populations were : jfcm ( japanese female chinese male ) 0. 1536 、 cp 0. 1273 and jp 0. 1055 , the mean effective number of allels per locus in f1 generations : cp ’ s was the highest with 1. 7318 , jp ’ s was the lowest with 1. 6718 , the filial generations ’ values were in the midle of the cp ’ s and jp ’ s and between them there was no brightly difference, with 1. 6955 ( jfp ) and 1. 6927 ( jmp )

    各組的雜合度預期也表現出該趨勢,即:日自交組最低,為0 . 1786 ,日雄中雌雜交組的雜合度最高,為0 . 1964 ,日雌中雄雜交組和中自交組分別是0 . 1891和0 . 1865 。 hardy - weinberg衡下遺傳偏離指數也是雜交組的小於自交組的,每個位點的等位基因數目中自交組最高為1 . 7318 ,日自交組最低為1 . 6718 ,兩雜交組群體的這一指數相差不多,分別是1 . 6955和1 . 6927 ,位於兩親本的中間水
  4. The asteroids are the most important small bodies in the solarsystem, and they mainly lies in the two locations - a main belt between the mars ' s orbit and the jupiter ' s and the near - earth space. the most feature of the orbits of near - earth asteroids ( neas ) is that the semi - major axes of the orbits are nearly equal to that of the earth or the perihelia distances are approximate to or even less than the mean distance between the sun and the earth, thus they could move into inside of the earth ' s orbit, so that they might close approach or even colliside with the earth ( or other planets, such as the venus, the mars, etc. ). the characteristic brings about some difficulties in the numerical research during their orbital evolution, which leads to the failure of the normalization technique in the general removal impact singularities of celestial mechanics methods and the symplectic algorithm which is successfully applied to the investigation in quality. by comparing the computation effects of several common numerical methods ( including symplectic algorithm ), and considering the nature of the movement of the small bodies, the corresponding treatments are provided here to improve the reliability of the computation

    小行星是太陽系最重要的一類小天體,主要分佈在兩個區域;火星和木星軌道之間的一條主帶和近地空間.近地小行星軌道的最大特點是其軌道半長徑與地球軌道半長徑相近,或近日距離接近甚至小於日地距離,其運動可深入到地球軌道的內部,這將導致該類小行星與地球(還金星、火星等)十分靠近甚至發生碰撞.這一特徵給其軌道演化數研究帶來一些困難,包括天體力學方法中一般消除碰撞奇點的正規化處理以及對定性研究十分成功的辛演算法都將在不同程度上失.通過對幾種常用數方法(包括辛演算法)計算果的比較,根據小天體運動自身的特性,給出了相應處理措施,從而可提高計算結果的可靠性
  5. The worst is that individual who is fully alienated finally easily loses real self and integrated self, living a modern life which is equal and quantitative and depends on money ' s specific property - abstraction, objectivity, unity, fungibility and universal validity

    貨幣憑借自己的特性(抽象性、客觀性、統一性、可互換性、普遍性)給個體鍛造了一種化、量化的價取向的現代生活,導致個體迷失了真實自我,進而丟失完整自我,最後被全面異化。
  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

    本文提出了一種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,利於在切換時延和切換次數這對矛盾之間取得更為衡,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數學分析模型,及數分析結果
  7. When the water dose was 20 % and engine speed was 2000r / min, the maximum fuel saving was 4. 1 % ; the thermal efficiency of emulsified fuels was higher than that of using pure diesel oil. nox and particulates emissions were reduced greatly by using emulsified fuels. when water dose was 20 % and engine speed was 1500 r / min, the maximum nox reduction was 43. 4 % ; the average of particulates under all loads was reduced by the extent of 46 % ~ 64 %

    結果表明:燃用乳化油節油率所提高,當n = 2000r min ,摻水率為20時最大節油率可達4 . 1 ;燃用乳化油的熱率也高於燃用純柴油; no _ x 、顆粒排放比燃用純柴油時則大幅度降低,當n = 1500r min摻水率為20時, no _ x排放量下降的最大可達43 . 4 ;固體顆粒物排放量在整個負荷范圍內的比燃用純柴油時低46 64 ;隨著乳化油摻水量的提高,排放果改善越明顯;而thc和co的排放量則比燃用純柴油時所升高。
  8. The ids works by two way, misuse detection and anomaly detection, misuse detection flags an intrusion on intrusion signature, this kind of detecting technic can be realized much more easily, and much more accurate, but it can not find some intrusiones that have been disguised or new kinds of intrusion. the anomaly detection can detect in more wide field, anomaly detection can compare new statistic data with average record, then anomaly record will be found, but it ' s more difficult to set a threshold, if the threshold is too big, some intrusion may be put through, if the threshold is too small, the ids will give more false positive alarm, and the threshold will be different with different people or different period, so the ids just simply show us their suspicious record, the administrator or expert will be in duty to analyze this record and give conclusion, the ids give more alarm than it should, leave us more detection record to analyze, and this is a hard work, we can not distinguish an intrusion or not if we analyze only one record, but we can judge if we find the relation among mass detection evidence. in this article, we try distinguish an intrusion using d - s theory ( proof theory ) instead using manual work, the ids will be more helpful and efficient

    濫用檢測採用的是特徵檢測的方法,實現較為簡單,判斷的準確性較高,但是不能判斷一些經過偽裝的入侵或特徵庫中尚未包含的入侵,異常檢測能夠根據以往記錄的特徵,判斷出異常情況,但是對于異常到什麼程度才視為入侵,這個閥非常難以確定,閥設定的太高,可能漏過真正的入侵,如果設定的閥太低,又會產生較高的誤警率,而且這個閥因人而異,因時而異,因此現在的入侵檢測系統把這部分異常記錄以一定的形式顯示出來或通知管理人員,交給管理人員去判斷,而這些ids系統難以判斷的記錄,如果對每個證據單獨地進行觀察,可能是難以判斷是否是入侵,而把許多先後證據關聯起來,專家或管理人員根據經驗能夠判斷訪問的合法性,本文試圖引入人工智慧中證據理論的推理策略和示例學習方法,代替人工檢查分析,可以提高率,降低誤警率,並可以對一個正在進行得可疑訪問實現實時檢測,通過搜索及時判斷,及時阻斷非法訪問,比事後得人工處理更意義。
  9. Abstract : the effective shear stress of sediment transport is analyzed theoretically and tested by experimental data. the result shows that the effective shear stress is neither the overall shear stress nor the sand grain shear stress, but the geometric mean of these two stresses. the effective shear stress not only generalizes the flow intensity but also summarizes the flow intensities of mean flow velocity, stream power and unit stream power

    文摘:本文通過理論分析及實測資料檢驗表明,無論對於何種泥沙運動狀態,決定泥沙運動的切應力既不是沙粒切應力又不是全部切應力,而是介於兩者之間,近似為沙粒切應力與全部切應力的幾何.這一切應力不但是對切應力類水流強度指標的總結,還可以概括流速和水流功率等水流強度指標
  10. In order to calculate synthetic seismograms in a layered half - space with the sources and the receivers at close or same depths, an efficient numerical integration method - the peak - trough averaging method ( ptam ) is proposed, based on the repeated averaging method

    摘要為了計算在震源和接收點深度相同或相近情況下分層半空間介質中的合成地震圖,在重復法的基礎上加以改進,提出一種的數積分方法峰谷法。
  11. The meter adopts digital synchronous sampling and micro technology to accurately measure true rms of transformer ' s primary voltage, current, power, power factor, true rms ( ac ) or average ( dc ) of secondary voltage and current, true rms of secondary voltage ripple

    該系列儀器採用數字同步采樣及微機技術,能準確測量變壓器的初級電壓、電流、功率、功率因數的真,次級電壓、電流的真(交流)或(直流) ,次級電壓紋波的真
  12. In the designing of priority for the transmission ratio, the usage of gear ' s attest on transmission ration should be considered ; the average value is set as the evolution aim of the loss of driving power and the useful effectiveness. a simplified fuel - consumed economically model is used to simulate the fuel consumption while the automobile is in motion

    在變速器傳動比優化設計中考慮檔位使用率對變速器傳動比的影響,採用驅動功率損失率和率利用率的加權作為評價指標,用參數樣條函數模擬車速狀態下的燃油消耗量,提出了按變速器傳動比的使用率來確定汽車的加速和等速的比例,並將其作為實際工況來確定汽車的實際燃油消耗率。
  13. In order to adapt the maintenance activities well, this paper makes some ameliorations, as follows : ( 1 ) it is considered not so pertinent in this paper to take road user cost into account of total cost, and an advice of using pavement serviceability performance for benefit is given. ( 2 ) when evaluating the average of the road network serviceability, this paper put forward to using weighed geometric mean to calculate pqi. ( 3 ) bringing in a new idea of checking the reasonability of classifying pavement state and typical measure by transfer probability

    為盡可能使其反映實際的養護規律,本文在前人研究的基礎上,提出以下改進: ( 1 )在建立費用模型時,認為在我國現階段,考慮用戶費用不妥之處,提出以路面使用性能作為用戶費用的映象,以路面使用性能作為益的評價指標; ( 2 )在評價路網服務水時,提出用加權幾何來計算路面使用性能綜合評價指標pqi ; ( 3 )提出了利用轉移概率檢查狀態的劃分和典型措施的合理性的新思想; ( 4 )在求解markov決策模型時,通常使用的方法是線性規劃法,本文闡述了另外兩種求解的方法:策略迭代法和整數規劃法。
  14. ( 5 ) ga ' s operators are improved to reach better evolution effects, such as choosing proper fitness function, using 2d equal - block crossover and multi - bit mutation, expending the population size to reach better evolution effects. the structural results are effectively made better

    ( 5 )本文提出了二維勻分塊交叉、 「擴大種群」的進化機制,引入多點變異,保證了ga種群適應度進化和群體的多樣性,實現了拓撲結構的遺傳進化。
  15. In the course of design, we fully consider the actual conditions on the railway and take a series of corresponding measures to the concrete problem. such as we select high - accuracy microconvertor and have the converted function in succession data collecting system chip aduc812, design v / f circuit and external a / d circuit. in anti - interference of the hardware, we try to disperse each function module to avoid interfering each other, adopt photoelectric isolated technology to dispel the circuit connection of input and output. in controlling we import arithmetic mean into strain wave algorithm and real computing technology of virtual value for sample treatment of data, that is using the software to smooth away interfere error and to calculate actual value, thus it makes the precision of the data improve greatly

    在設計過程中,根據系統要求,充分考慮鐵路上的實際情況,針對具體問題採取了一系列的相應措施,如在器件選擇方面選用高精度microconvertor系列、具adcdma連續轉換功能的數據採集微控制器晶元aduc812 ,設計了v f變換電路和外部a d轉換電路;在硬體抗干擾方面,將每個功能模塊盡量分散獨立開來以避免相互干擾、採用光電隔離技術消除輸入輸出通道上的電路聯系;在控制方面對于采樣數據的處理引入了算術濾波演算法和真的計算方法,即通過使用軟體來濾除系統中干擾造成的誤差並計算真,從而使數據的準確性得到極大地提高。
  16. Firstly, a two - dimensional decoupling theory is developed when colored noise is included in a nonlinear dynamical system. by a functional analysis, the colored noise is transformed to an effective noise that includes the noise correlation time, the mean dynamical variable, and the original noise strength

    首先,我們發展了分析非線性系統中色噪聲的二維退耦理論,通過泛函分析,將二維非線性系統中的色噪聲變換成含噪聲關聯時間、噪聲強度和系統變量等參量的噪聲。
  17. Second, a new type character pulse cycle chose method was k value wave - chose way. it broke the traditional idea that only chose one pulse circle wave, in fact, appropriate character circle waves should be the analyzed objects. the chosen standard was according to the k value which was proved to be a valuable parameter of pulse

    其思想突破了傳統思想上只選用一個代表周期波形來分析的局限,可以選取多個的周期波形;其方法彌補了常用的基於方法選取代表周期波形的注重一般、忽視特別的思想,採用了被研究證明了的在脈搏信號中重要綜合價的生理參數k來作為選波的依據,使得脈搏信息的揭示全面而細致。
  18. The paper draws some valuable conclusions : the limited bearing capacity of manual excavation filling pile is much higher than the limited bearing capacity of machine drilled filling pile ; through grouting injection around the pile shaft, the pile bearing capacity can be effectively improved ; proportion of resistance force around the pile side in total load is much larger than that of pressure on the pile tip, and the intensity of resistance force around the pile side is 30 - 50kpa on average

    得出一些的結論:人工挖孔灌注樁的極限承載力明顯高於鉆孔灌注樁的極限承載力;地下水位對樁基承載力顯著影響;利用樁側注漿可提高樁的承載力;樁側摩阻力所佔總荷載的比例遠大於樁底壓力,樁側土的摩阻強度為30 50kpa 。
  19. When the two - dimensional decoupling theory is applied to single - mode and two - mode dye laser system, the mean ( i ), variance 2 ( 0 ), and effective eigenvalue eff of laser intensity are calculated. excellent agreement between theoretical analysis, numerical simulations, and experimental measurements are obtained

    然後將二維退耦理論應用到單模和雙模染料激光系統中,算出了激光場的強度< i > 、強度方差_ 2 ( 0 )和本徵_ ( eff ) ,理論分析與數模擬和實驗結果符合得很好。
  20. Water use efficiency in shunyi is comparatively 12 - 50 % lower than national level at present for crops except rice and soybean, which means a great water - saving potential in the region according to comparison between experimental observation and estimation. for most crops, yield potential can hardly be increased. therefore, it is necessary to enhance water - saving efficiency of cropping in the region

    2 )比較當前順義區作物實際水分利用率和全國的作物水分利用率得出:除夏大豆和水稻外,順義區其它作物水分利用率低於全國12 ? 50 ,與當地試驗和理論計算相比,還很大的增長潛力;而作物實際產量與理論產量的比較表明,大部分作物的增產潛力已不大,所以,種植業節水率還待于進一步提高。
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