現有平均值 的英文怎麼說

中文拼音 [xiànyǒupíngjūnzhí]
現有平均值 英文
present mean value
  • : Ⅰ名詞1 (現在; 此刻) present; now; current; existing 2 (現款) cash; ready money Ⅱ副詞(臨時; ...
  • : 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
  • 現有 : now available; existing
  1. And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed

    研究結果如下:首先針對荒漠化地區的地物特徵,對高光譜數據不同波段的數據質量、波段組合進行了評價,提出了適用於荒漠化監測的基本波段選擇集;初步了解和掌握了研究地區的地物光譜特性及變異規律,進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎;發了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀測方向之間的角度變化引起的反射率曲線整體移的「同物異譜」象,對于譜形相似而整體反射率的相差較大的兩類地物,通過引入和方差圖像參與分類得到解決;研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段,這些波段與植被生物量和蓋度都密切的關系,是開展精細植被分類研究和植被定量反演的重要基礎;像元的導數光譜分析可以消除土壤背景的影響,是進行植被生物量和蓋度定量反演的力工具;建立了荒漠化監測主要評價因子的定量反演模型,並分析了模型的適用性。
  2. 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效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
  3. Tide is the primary dynamic factor in building tidal flat ; it must be affect tidal creek system on mud flat. therefore, based on the raster image of the year of 2000, the thesis has built correlation equations between average tidal ranges and the density of tidal creeks, the ratio of the width of outlet to the length of low tidal shore, the ratio of the area of tidal creek to tidal basin respectively. the result shows that the former is high well - marked correlation ; the two latter are well - marked correlation

    潮汐是塑造潮灘的主要動力因素,它必然與淤泥質潮灘上潮溝系統的發育密切的關系,為此,本文以2000年的衛片作底圖,對潮溝系的密度、溝口寬度占低潮線長度的比以及潮溝面積與潮盆面積的比,分別與潮差建立了相關關系,結果發,潮溝系的密度與潮差之間存在著高度顯著的相關性,溝口寬度占低潮線長度的比和潮溝面積與潮盆面積的比潮差之間存在著顯著的相關性。
  4. This paper develops a deterministic inventory model for perishable items with a mixture of back orders and lost sales under inflation and time discounting, where the backlogged demand rate is dependent on the negative inventory level during the stock out period. the main differences from the existing related models are that the present model takes the maximum present value of profit in a repeatable order cycle as the objective function and proposes a more practical constraint of maximum customer - waiting time to ensure a proper customer service level. then the existence and the uniqueness of the solution to relevant systems are examined and a solution algorithm is shown to find the optimal replenishment policy. at last, some numerical examples are presented to illustrate the applicatioh of the model

    本文建立了一種考慮通貨膨脹與時間價的變質性物品的庫存模型,在模型中允許短缺發生且拖后的需求速率與在缺貨期間已經發生的缺貨量關.和已相關模型的主要區別在於本模型把一個可重復的訂貨周期內的最大利潤的凈作為目標函數,且增加了在缺貨期間最長顧客等待時間的限制,以確保庫存系統擁較高的服務水.然後討論了模型最優解的存在性與唯一性,並提供了尋求模型整體最優解的演算法.最後用實例說明了此模型在實際中的應用
  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、普遍效性)給個體鍛造了一種化、量化的價取向的代生活,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. To adapt the circumstance in which the crankshaft torsional vibration generally exists, the new method ( tvrs method ) in which the cylinder power is inversely solved according to the torsional vibration curve is put forward and deduced in this paper, that is, the average effective pressure of each cylinder i. e. power condition of each cylinder is estimated based on a crankshaft torsional vibration curve according to the elasticity model of the actual shafting of engine and by use of the i. c. engine dynamics, the numerical calculations and the signal theory etc. although the computing workload is more, the method makes full use of the now available data of the torsional vibration of the i. c. engine, and can be used to all kinds of i. c. engine on any kind of operating condition, so it has higher application value

    為適應內燃機普遍存在曲軸扭振的情況,本文提出並推導了利用扭振信號反算的新方法( tvrs法) ,即採用軸系中某一測點的扭轉振動信號,按軸系實際的彈性模型,依據內燃機動力學、數計算方法和信號理論等,反算各缸的效壓力,定量判斷各缸的作功狀況。此法充分利用內燃機的扭振資料,雖然計算工作量較大,但普遍適用於各種類型各種工況的內燃機,較高的實用價
  7. Instead researchers track it using numerical simulations, which show that all cdm halos in virial equilibrium have similar density profiles

    幸而研究人員依賴數模擬,發處于衡的所cdm暈都類似的密度特性。
  8. Though the water levels cross one section are almost equal, the velocities differ greatly. at the some cross - section, the velocity in the in the quirk may be double as that on the floodplain. the water surface will rise hi the southern branch because of the improper diffluence ratio, if using the designed diffluence col

    淮河入海水道河口段水位橫向分佈相差無幾,而流速的橫向變化較大,泓灘流速差最大可達一倍以上,在的分流口設計條件下,若按設計的南北汊分流比,南分流口壅水象發生,如果南汊分流增大到800m ~ 3 / s左右時,則水流較為通暢。
  9. Twenty f1 combinations crossed among 5 varieties and strains different in fiber properties according to complete diallel crossing design were used to evaluate the heterosis and gene action of boll weight and lint percentage in high quality fiber property varieties in upland cotton in 1998 1999 for two year successively at nanjing. it was indicated that there existed small interactions with the environmental factors without maternal effects and the additive gene effect was in chief, attaining to 51. 2 % and 65. 4 % respectively for boll weight and lint percentage. the dominant effect was also in higher rate, 32. 6 % and 16. 8 % respectively. the population mean heterosis of boll weight and lint percentage over the mid - parental mean were relatively prominent 13. 3 % and 3. 5 % respectively in extreme significance. however, boll weight showed no significantly surpassing parental f1 heterosis over the better parent based on population mean ( 2. 0 % ) ; while the lint percentage expressed significant negative heterosis value ( - 2. 1 % ). the gene actions were in conformity with the heterosis expression. it was shown clearly that the f1 combinations crossed between parents with similar performances had relatively high dominant effects and significant positive f1 surpassing parental heterosis ( f1 heterosis over the better parent ) ; while no f1 combination crossed between the parents with prominent mutual difference surpassed the higher parent in yield components, which indicated that among those parents with less difference and close relationships, there still existed sufficient genetic variation or certain mechanism for creating variation and achieving greater advances in breeding. correlation analyses also indicated that there still existed severely undesirable negative correlation between yield and fiber properties as well as the difficulties for their simultaneous improvements

    利用5個具不同纖維品質性狀的品種(系)配製完全雙列雜交組合20個,通過親本和f1的2年隨機區組試驗發產量性狀的鈴重和衣分與環境的互作效應小,不存在母體效應,並以加性遺傳效應為主,分別占表型方差的51 . 2 %和65 . 4 % ;顯性遺傳效應所佔的比率也較高,分別為32 . 6 %和16 . 8 % .鈴重和衣分的群體優勢較大,分別為13 . 3 %和3 . 5 % ,達到了極顯著;鈴重的超親優勢為2 . 0 % ,不顯著;衣分為顯著的負( - 2 . 1 % ) .遺傳分析與雜種優勢結果一致.具體表在產量性狀上,親本相當配製的組合雜合顯性較高,其超親優勢正向顯著,而極親本(差異較大)所配組合沒超過高親的.這表明親本差異小、親源關系較近的親本中仍然存在足夠的遺傳變異或某種機制以創造變異使育種取得更大的進展.相關分析表明了仍然存在嚴重的品質與產量的負相關,遺傳改良的難度較大
  10. The maximum of instantaneous global radiation is beyond 1000w / m2 and the ten - days average intensity is 338. 90w / m2 because of high atmospheric transparency over semi - arid rainfed agriculture region of loess plateau between june and august. global radiation, reflected global radiation and surface long wave radiation emerge the characteristic of daily variations on a typical clear day and cloudy day, whereas atmospheric long wave radiation has not this characteristic. meanwhile, net radiation, latent heat flux sensible heat flux and soil heat flux appear the same characteristic as the mean daily variations above spring wheat field and bare soil on a typical clear day and cloudy day

    黃土高原半乾旱雨養農業區夏秋季大氣透明度較高,晴天地面的總輻射最大瞬時超過1000w m ~ 2 , 6 8月總輻射旬強度為338 . 90w m ~ 2 ;典型晴天和陰天總輻射、反射輻射、地表長波輻射出明顯的日變化特徵,而雨天沒明顯的日循環規律;無論是晴天、陰天還是雨天,大氣長波輻射基本沒明顯的日變化規律。
  11. A boson josephson junction ( bjj ) formed in a weakly coupled double - bec has been discussed intensively. based on mean - field theory ( mft ), which gives rise to the gross - pitaevskii equation, interesting phenomena such as macroscopic quantum self - trapping ( mqst ), and n - phase state, where the time - averaged quantum phase difference across the junction equals n have been predicted

    目前由弱耦合雙組分bec所構成的玻色約瑟夫森結( bjj )成為研究熱點,在場理論基礎上預言了許多趣的象如宏觀量子自捕獲( mqst ) ,和-位相態(結間量子位相差的時間為) 。
  12. Find the law of the influence from the injection pressure to the filling time and the cavity pressure and make certain of the best filling time, injection time and injection pressure. though the analysis of the flowing velocity and pressure spread of the key position element in the injection parts in different gate position, we forecast the injection parts quality and the possibility injection flaw and its position, optimize the gate position. in this paper, though the research of analogue of the runner system of metal - powder injection molding and the process of injection molding, we get the law of how the injection parameter influence the injection process

    在相同的注射條件下,通過分析喂料在不同直徑和長度流道中的流動規律,得到了喂料在流道中的速度場、壓力場和溫度場,找到了流道長徑比的合理取范圍,並得出通過改變流道設計可實設備資源充分利用的結論;給出了不同注射壓力下,型腔壓力與充模時間關系曲線和喂料熔體充填速度與充模時間關系的曲線,得到了注射壓力對充填時間和型腔壓力的影響規律,確定了最佳的充模時間、注射時間和注射壓力;通過分析採用不同位置澆口注射時注射件關鍵位置單元的流動速度和壓力分佈,預測了注射件的成形質量,或可能產生的注射缺陷及位置,優化了澆口設置。
  13. 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,可以提高效率,降低誤警率,並可以對一個正在進行得可疑訪問實實時檢測,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。
  14. Although ferroelectric ordering doe s not appear within the whole temperature range in eutio3, coupling of a certain form between the ordering parameters in electrical and magnetic subsystems causes the dielectric anomaly near its neel temperature

    盡管eutio _ 3在整個溫度范圍內不出鐵電序態,可視為其電序參量為零,但電系統和磁系統序參量某種形式的耦合導致了該材料在尼爾溫度附近的介電反常。
  15. 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效益的評價指標; ( 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。
  16. ( 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種群適應度效進化和群體的多樣性,實了拓撲結構的遺傳進化。
  17. An improved high - resolution current - mode sorter is presented. its structure complexity is o ( n ), which is crucial to the expansion of its size, and its dynamic range is large. only one clock signal and one reset signal are needed. no biasing signal is required. the operation point is constructed according to the input current, so it is self - adaptive, which is very important for an all - purpose component. in average value circuit, subtraction circuit, winner - take - all ( wta ) circuit and control circuit, it has good performance even at a large input current. this sorter has high precision, high resolution and low power, as has been proved via hspice simulation. it can be implemented in the standard digital cmos technology and widely used in many fields, so it is of great value in applications

    提出了一種改進的高精度電流型排序電路.它的結構復雜性僅為o ( n ) ,便於擴展;動態范圍大;它是自適應的,工作點由輸入電流確定,故不需要偏置信號,這對作為通用器件使用的排序電路來說是很重要的.通過利用電路、減法電路、 wta電路和控制電路,可以使該電路在大輸入電流下依然保持高性能. hspice模擬表明該電路具高準確性、高精度、低功耗的特點.它能用標準數字cmos工藝來實,可以被應用於很多領域,具很高的應用價
  18. The reigning all - star game mvp is playing for a contender ? the los angeles lakers ( 34 - 17 ) were in the fifth playoff spot in the western conference going into wednesday ? and is battling for his third consecutive scoring title, averaging 28. 0 points to trail the cleveland ' s lebron james, who averages 30. 1

    本屆的全明星最球員作為一個競爭者? ?洛杉磯湖人( 34 - 17 ) ,當地時間星期三,他們排名西部第5 ? ?他也正在為他的連續第三次得分王頭銜而努力,分28 . 0分僅次於騎士隊的勒布朗!
  19. In his speech, president ng shared with colleagues hkbu ' s recent good news : seven areas, out of the 10 in which hkbu was reviewed under the research assessment exercise ( rae ) 2006, scored higher than the average of all institutions ; all hkbu graduates in 2006 are either employed or pursuing further studies - a record high employment rate ; both hkbu teachers and students have won academic or professional awards in a wide range of areas

    吳校長在致辭時與同事回顧大學最近創下的佳績,包括浸大在八大院校二零零六年研究評審工作結果中表理想,在參與評審的十個組別中,七個高於全港;二零零六年本科畢業生全體成功就業或繼續進修,是近年的最高水;師生獲得多項學術或專業殊榮,成績令人振奮。
  20. In the pre - processing phase, each character is fed into a pre - processor, this makes feature extraction and recognition easy. in the first - grade classification phase, the dissertation puts forward border - table subtract of maximum and minimum feature left - border - table intermission feature improving width feature crossing amount average feature, these features combines with some existing features, realizes the ability of classification in the first - grade classification phase better

    在第一級分類階段,本文提出了邊沿表極差特徵、左邊沿表間斷特徵、改進的寬度特徵、針對所區分的字元在不同局部范圍取交截特徵的與閾比較等特徵,這些特徵與已的一些特徵相結合,較好的實了在第一級分類階段對字元的分類能力。
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