降差數 的英文怎麼說

中文拼音 [jiàngchāshǔ]
降差數 英文
descending difference
  • 降 : 降動詞1. （投降） surrender; capitulate 2. （降伏） subdue; vanquish; tame
  • 差 : 差Ⅰ名詞1 （不相同; 不相合） difference; dissimilarity 2 （差錯） mistake 3 [數學] （差數） differ...
  • 數 : 數副詞（屢次） frequently; repeatedly
  1. It is as follows : the overlay of endowment insurance is narrow, the most individual indust - - ries, the private enterprise and non - agriculture persons still have not brought into the current endowment insurance system ; the levy level descends, the phenomenon of arrearage still cannot be forbidden ; the level of orchestration is low and lack of adjustment necessarily ; " the difference in amount appropriates different insurance fee " the problem still exists ; the retirement age is so early " the phenomenon of reti - - rement in advance is more serious ; the degree of socialization is low, the onus of the state - owned enterprise is overweight and so on

    主要表現在；養老保險覆蓋面窄，大多數個體工商戶和私營企業以及非農業人員還沒有那入到現行的養老保險體系；征繳水平下降，欠費現象屢禁不止；統籌層次低，缺乏必要的調劑； 「差額繳撥」問題依然存在；退休年齡鍋灶， 「提前退休」現象比較嚴重；社會化程度低，國有企業負擔過重等諸多方面。
  2. This thesis studies the law of affecting de - noise result and the selection of the threshold and the wavelet function, the combination of wavelet and fft in the fault diagnosis of turbine - generator sets : by the de - noise anslysis of blocks and sin signals, concludes : to blocks signals, usually adopts soft threshold ; the law of affecting de - noise result is when use wavelet auto - de - noise, with the increasing of decomposed level, the de - noise result becomes worse while the level blow the 3, when the level above 3 and when uses wavelet packet, it is the other way round ; the best de - noise methods of the signal is that uses " dbl " wavelet function, three level, soft and " rigrsure " threshold

    本文研究了分解層數對消噪結果影響的規律和閾值、小波函數的選取，結合小波分析與fft分析診斷汽輪發電機組的故障。通過對brocks和sin兩信號的分析，得出：對blocks信號進行分析一般採用軟閾值；分解層數對消噪結果影響的規律為用小波自動降噪在分解層數小於3時，隨著分解層數的增加，消噪結果變好，反之，則變差，用小波包降噪時隨著分解層數的增加，消噪效果變好；適宜選用dbl小波軟rigrsure閾值自動消噪。
  3. In digital relay, the percentage of noise will increase rapidly with the increase of sampling rate when derivation calculus is substituted by sampled difference term. to solve this problem, a new method using fragment function integrated with the least square algorithm is proposed in this paper. the influence of white noise is greatly reduced and the accuracy of the dead angle calculation is nicely improved after adopting the new method

    在數字式保護中，如果用差分代替求導將導致噪聲的百分比誤差隨著采樣頻率的提高而劇增，本文對此進行了分析並提出了用分段樣條函數最小二乘法來計算電流波形的導數值，以便在提高采樣率的同時降低噪聲誤差的影響，並將其應用於基於32位浮點dsp的新型變壓器保護裝置。
  4. Results show that the spatial distribution of the precipitation of the west is very uneven and obviously different in every quarter ; the characteristics of precipitation is droughty and less - rain in almost all part in winter. plentiful in summer, spring and autumn are transition phases, rainfall of autumn is more than that of spring in the most of region ; relative variability of each season rainfall is bigger than that of year, the variability is biggest in winter, but smallest in summer. alike between spring and autnmn and comprative in numerical value ; the area of least precipitation is in talimu basin and the northwest of chaidamubasin, not in the northwest of china

    研究發現：西部地區年降水量的空間分佈極不均勻，局地差異大；冬季絕大部分地區乾旱少雨，夏季雨量豐沛，春秋季是過渡階段，大部分地區秋雨多於春雨；各季降水量的相對變率大於年變率，夏季最小，冬季最大，春秋兩季相似，數值上與冬季相差無幾；我國雨量最少的地區位於柴達木盆地西北部和塔里木盆地，並不在我國的最西北角。
  5. ( 2 ) region is mainly made up of large patches which are distributed collectively. region landscape is mainly made up of the hill grassplot landscape of mountainous region and desertification landscape. ( 3 ) with the enhancement of human beings effect, landscape diversity indexes are declined, landscape evenness indexes are reduced, and landscape fragmentations are intensified

    通過這些指數的分析表明：甘肅省以草地景觀為主，斑塊數較多，大小斑塊間差異較大，斑塊形狀較復雜，自相似程度較低，區域總構形較復雜；區域總構形以大斑塊為主體，呈聚集型分佈，構成景觀主體的是山地丘陵草地景觀和裸地景觀；隨著人類干擾強度增加，景觀多樣性下降，均勻度降低，景觀破碎化程度加深。
  6. A experienced equation which is summarized by many experiments is used to determine the number of mesosphere nerve cell and a sort of new square - sum function of errors is adopted. its characteristic is that weight errors of possible exceptional point is less. accordingly, the effect of errors of possible exceptional point is reduced, which make actual function relation simulation easier

    本系統針對bp演算法的局限性，給出了一種優化的bp演算法，採用經過大量實驗總結出的經驗公式來確定隱層神經元的個數，並選取了一種新的誤差平方和函數，該函數的特點是對一些可能的異常點的誤差權值設計的較小，從而降低了異常值誤差帶來的影響，便於模擬出真實的函數關系。
  7. Little improvement presents with the augment of resolution. ( 2 ) the asymmetric arrangements of measuring sensors cause local error in the identification of moving force. less number of measuring points will reduce the identification accuracy

    （ 2 ）測點排布不均勻會引起局部信息的丟失，使識別結果會產生局部較大的誤差，測點數目過少會產生識別精度下降。
  8. In market economy, the excessive broadening of income disparity will necessarily reduce the investment multiplicator effect, speed up the process of capital deepening, and cause deficiency in the formation of human capital, thus discounting the economic efficiency and the social benefits of investment, and blocking the effective growth of the economy

    在市場經濟中，收入差距的過度擴大必然降低投資的乘數效應，導致投資結構選擇的偏差，加速資本深化的進程，並造成人力資本形成的不足，從而降低投資的經濟效率和社會效益，阻礙經濟的有效增長。
  9. The interdecadal characteristics of correlation pattern of interannual relationship between winter sea - ice extent of davis strait and august 500hpa height of northern hemisphere is " + - + " pattern from ural mountains to north of sea of okhotsk which is strongly negatively correlated with the august rainfall of north china before 1974, and it has not apparent correlation pattern in europe - asia continent after 1974

    1974年前，冬季戴維斯海峽海冰面積和北半球8月500hpa位勢高度場的相關系數呈一個自烏拉爾山開始到鄂霍次克海以北分佈的「 + - + 」型，該型和8月華北降水的反相關較好； 1974年後，相關在歐亞大陸地區變差，沒有明顯的相關型，冬季戴維斯海峽海冰面積和8月華北降水關系變差。
  10. The test results indicate that the influence of the asphalt type and the temperature period on the value of linear contractive quotiety is very notable, while that of asphalt content ( variation within 0. 3 % ) and the temperature raising and reducing process is relatively small

    試驗結果表明：瀝青品種對瀝青混凝土的線收縮系數的影響較大，瀝青混凝土在不同溫度段的線收縮系數相差很大，而瀝青含量（變化范圍0 . 3 % ） 、升溫或降溫過程對其的影響較小。
  11. The verify experiment proves that its ratio and phase characteristics are much better than ordinary ones and the precision is enough for measure use. zero - flux current transformer can ’ t obtain absolute zero flux because residuary flux, so when the secondary turns is too small it will not satisfying. to improve the precision further, proposes a method to compensate zero - flux current transformer using capacitance parallel connected coil and deduces it

    為了進一步抵消剩餘磁通，提高互感器的精度，提出了一種並聯電容線圈補償零磁通的方法，並進行了理論推導，設計了基於該方法的100匝電流互感器，通過校驗證明它可以改善零磁通電流互感器的比差和角差特性，提高互感器的精度，將電流互感器的二次匝數由普通互感器的幾千匝降到了100匝，提高了測量微小電流的能力。
  12. Zircaloy - 4 sheet, which was cold - worked followed by recrystallization annealing, exhibits longer lcf life in the rolling direction than that in the transverse direction, and the fact that difference in lcf life between both directions becomes larger as the range of plastic strain becomes lower can be attributed to the texture effect, p - solution treatment deteriorates the alloy ' s lcf property because the treatment lowers the average value of alloy ' s schmid factors, and the subsequent annealing - treatment in a - phase range has a impact on the lcf properties, i. e. the subsequent annealing - treatment at 500 ? for 1. 5h results in better property than that at 750 for 1. 5h, which comes mainly from the fact that the alloy annealled at 500 for 1. 5h has lower amount of the precipitate particles than the alloy annealled at 750 for 1. 5h

    對于冷加工后經再結晶退火處理的zr - 4合金，軋制方向的低周疲勞壽命比橫向要大。隨著_ p的降低，兩個方向的低周疲勞壽命的差別相應增加，這是由於合金中存在織構的緣故。冷加工后經再結晶退火處理的zr - 4合金在固溶處理后，抗疲勞性能明顯降低，這主要是由於固溶處理降低了合金的schmid因子；固溶處理后在相區的退火對疲勞性能有影響，即500 1 . 5h退火的抗疲勞性能要優於750 1 . 5h退火，這主要與500 1 . 5h退火的合金中沉澱相粒子的數量較少有關。
  13. The percentage of people living at or below subsistence level in china decreased from 33 % in 1979 to single digit today

    過著勉強糊口或更差的生活的中國人口比率，已由一九七九年的33 ，下降至今天的單位數字。
  14. The percentage of people living at or below subsistence level in china has decreased from 33 % in 1979 to a single - digit level today

    過著勉強糊口或更差生活的中國人口的比率，已由一九七九年的33 % ，下降至今天的單位數字。
  15. The percentage of people living at or below subsistence level in china decreased from 33 % in 1979 to single digit figures today

    過著勉強糊口或更差的生活的中國人口比率，已由一九七九年的百分之三十三，下降至今天的單位數字。
  16. The percentage of people living at or below subsistence level in china has decreased from 33 per cent in 1979 to a single - digit level today

    過著勉強糊口或更差生活的中國人口的比率，已由一九七九年的33 % ，下降至今天的單位數字。
  17. In this paper, high - order accurate weighted essentially non - oscillatory ( weno ) schemes are investigated and their applications in hyperbolic conservation laws are discussed. based on this, a new weno difference scheme which based on dispersion - relation - preserving relation is developed, and representative test cases with this scheme for computational aeroacoustics ( caa ) problems has been implemented and compared in order to test capability of wave capturing ; in addition, weno schemes generally do not converge at high order in the presence of contact discontinuity of euler equations, so a conservative front tracking technique coupling weno schemes and level set method to simulate the translating density profile is presented here, and numerical simulation with this technique for representative test case has been implemented and results show the desired accuracy

    本文研究了高階精度加權基本無振蕩（ weno ）格式及其在雙曲守恆律方程中的應用，在此基礎上作了兩個方面的工作：一是針對高頻聲波問題構造出一種基於保色散關系（ drp ）的weno有限差分格式，並對計算氣動聲學（ caa ）問題的代表性算例進行了大量數值實驗，比較了該格式捕捉波數的能力；另外，針對高階weno格式在處理euler方程的接觸間斷時精度有所降低的問題，研究了利用界面追蹤技術levelset方法和高階激波捕捉weno格式相結合的一種守恆追蹤方法，並且給出有代表性的密度滑移面問題的算例，得到一致高階精度的數值模擬結果。
  18. Because the well reservation of the advantages of traditional large sacle advertising airboat, thoughtful design and argumentation on every level has been made, the dimension of the airboat reduced to 9 - 16 meters, adaptable area remarkably increased, flying agility obviously improved, a place as large as a playground is enough for it s taking off or landing, a space as size as a bus warehouse is sufficient to store the airboat, the advertising area of the airboat on it s two sides become less to 9 - 12 square meters, the altitude where such airboat can fly is much lower than that that drives person, presenting a little difference in views of the people on the ground, so capable to take the place of human - driving airboat, on the other hand when the size reduced, the operation, use, freight and maintenance become very easy, easy operation become it s first advantage : remote controllable, no professional driver needed, common personal can operate it after a short trainning, trainning time ranges from 3 - 5 days single, 15 - 30 days for people

    是因為它完美的保留和發展了大型載人廣告飛艇的優勢，為此我們進行了方方面面且深入細致的設計和論證，首先縮小了飛艇的尺寸， 9至16米長，大大的增加了飛艇的適用范圍，使飛行的靈活性得到了改善，學校操場大小的地方就可從容的起飛降落，大客車或大貨車的車庫便能存放，廣告面積雖然也小了，每單側9至12平米，可遙控飛艇的飛行高度也比載人艇的飛行高度低很多，以地面的視覺效果來看效果相差非常小，足以代替載人艇，其次是飛艇縮小后，整艇的操作使用運輸維護也都大大的簡化了，操作簡便是它的第一大優點：由於是遙控飛艇，就不需要專業的駕駛員來操作，普通人經過短期的技術培訓就可勝任，培訓期每單人為三至五天，多人視人數十五至三十天。
  19. Its main contributions include the following several aspects : firstly, the dissertation constructs the mathematic model of short baseline orientation determination using two geostationary satellites and analyses the applicable conditions of carrier phase interferometry. orientation determination precision is analysed in depth through both the conventional linearized method and monte - carlo computer simulation method, and the mathematical simulation results show that the linearized method has the shortcoming of fairly low elevation error analysis precision in high latitude area so as not to be very appropriate there. by analyzing the definite factors influencing orientation precision, the dissertation develops the concept of orientation dilution of precision, which uncovers the internal cause of exotic error behavior of bi - satellite orientation, and has important guiding significance for practical engineering applications

    本文系統地研究了基於「北斗一號」衛星載波相位干涉測量原理實現地球靜止雙星定向的相關技術，主要研究成果包括以下幾方面:首先，建立了利用兩顆地球靜止軌道衛星進行短基線定向的數學模型，分析了載波相位干涉測量的適用條件;採用傳統的線性化解析法及蒙特卡洛隨機模擬法兩種途徑對雙星定向的精度進行了詳細分析，數學模擬結果表明在高緯度地區線性化解析法由於俯仰角誤差分析精度略有下降而不太適合;在分析定向精度確定性影響因素的基礎上，提出了雙星定向精度衰減因子odop的概念，揭示了雙星定向誤差特殊表現的內部機理，對實際工程應用具有重要的指導意義。
  20. This interpolation module uses the popular and advanced nurbs interpolation technology. the procedures of math processing for nurbs, preprocessing for interpolation and real - time interpolating running on dsp are presented in this article. the interpolating procedure uses an advanced self - adjusting interpolation method, which can automatically adjust the length of interpolation according to machining speed, acceleration and the tolerance of bow height

    插補模塊則採用了當今最流行最先進的nurbs插補技術，設計了nurbs數學處理程序，插補預處理程序，運行於dsp的實時插補程序，該插補軟體採用了先進的自適應插補方法，可以根據加工的速度，加速度，弓高誤差的要求自適應調整插補步長，同時採用了對插補點的預估演算法，免去以往加工方法中求導的運算，大大降低了運算量，提高了加工速度。
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