累加方程 的英文怎麼說

中文拼音 [lěijiāfāngchéng]
累加方程 英文
sum equation
  • : 累Ⅰ形容詞(疲勞) tired; fatigued; weary Ⅱ動詞1. (使疲勞; 使勞累) tire out; wear out 2. (操勞) work hard; toil
  • : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
  • : 名詞1 (規章; 法式) rule; regulation 2 (進度; 程序) order; procedure 3 (路途; 一段路) journe...
  • 累加 : accumulation; cumulation; summation累加器 [自動化] accumulator carriage; accumulator register; ac...
  1. Since 1976 it has been made great achievements which has conducted water more than 100 billion m3 and has been an important project of heilongjiang province. but recently the channel has been seriously freezing - melting eroded and sand of cliff edge has been deposited along the channel, which resulted to highten the channel bottom, increase width of the channel and reduce horse road. what all above have affected to apply safely channel so it is necessary to repair comprehensive

    自1976年建成以來,已計引水100多億立米,取得了巨大的經濟效益,成為黑龍江省西部關繫到國計民生的重點工,但近年來渠道破壞嚴重,凍融侵蝕強烈,邊壁剝蝕下來的泥沙經渠道內水流搬運沿發生淤積,導致渠底抬高,渠寬增,馬道縮小,已經嚴重影響到渠道的安全運用,必須進行綜合治理。
  2. If you often take flights of air china which has the course net spreading all over the world, you can get continuous flight preference with unprecedented flexible pattern by joining this award activity and becoming the companion members

    國航的航線網路遍及世界,如果您經常乘坐國航航班出行,入"國航知音"里積獎勵活動,成為"國航知音"會員,您可通過前所未有的靈活式,換取源源不斷的旅行優惠。
  3. It can directly read data of mechanical meters immediately without counting pulse. it realizes remote valve control and extensible prepay function. its data transmission is based on international popular standard m - bus for all types of consumption meters, characterized by reliability, convenience, opening

    特點:直接讀取表計的機械讀數,無需計脈沖,僅在抄表瞬間電工作;可實現遠閥控;可擴展預付費功能;數據傳輸採用消費類儀?國際通行標準m - bus ,可靠、便、開放。
  4. Abstract : with the basic concept of damage mechanics and based on the fatigue damage equation of concrete materials, the multistage fatigue damage process of concrete materials is deeply and theoretically analyzed. accordingly the pathway of multistage fatigue damage with the characteristics of independence and continuance is provided, and the non - linearity multistage fatigue damage equation of concrete materials is inferred. the equation clearly reflects that the loading sequence has an effect on the fatigue accumulating life expectancy ; with the use of this equation the effect of overloading on the material life expectancy is analyzed

    文摘:利用損傷力學的基本概念,在砼材料疲勞損傷的基礎上,對砼材料的多級疲勞損傷過進行了深入的理論分析,給出了具有獨立性和連續性的多級疲勞損傷路徑,推導出了砼材料的非線性多級疲勞損傷明確的反映了載次序對疲勞積壽命的影響;利用此,筆者分析了超載對材料使用壽命的影響
  5. In order to select male nucleo - sterile new genotype, a tentative idea was put forward for the nucleo - male sterility to attach a tps ( thermo - photoperiod sensitivity ) and a selection strategy of combination of selection and identification, at the same time, the spring and summer sowing method were used to provide different environment conditions of appraising sterility and tps. the results indicated that ( 1 ) sterility could be appraised under the spring sowing environment and tps could be appraised under summer sowing environment. ( 2 ) under spring sowing environment, sterility could be selected, but not maintained. thereby, lines selected could only be selected as recorded selection method in the experiment. ( 3 ) and then, selection was carried out from spring sowing line selected into summer sowing in same line with tps to select plants. these plants through the intercrossing selection had been combined with sterility and tps. in this way, a new selection protocol for selection sterile line with tps was formed. it mainly involves the spring and summer sowing method, recorded selection method and the intercrossing selection method

    為了選育新類型玉米雄性核不育系,提出了為玉米核不育性添溫光敏感性的設想和選擇與鑒定相結合的策略,同時應用分期播種的法為作物提供不同的生長和發育的環境條件,以鑒定玉米雄穗的育性變化和對不同環境條件溫光的反應.研究結果表明,春播環境下可鑒定和選擇玉米的不育性,夏播環境下可鑒定和選擇其溫光敏感性.針對玉米核不育性難以找到保持系的特性,結合兩種播期選擇兩種性狀.但春播環境下選擇的不育性群體難以通過選擇單株來保持其不育性,為記錄性群體選擇.通過從春播入選的雜合不育性優良株系群體轉移到其對應的夏播溫光敏感性入選的同一優良群體中進行優良單株選擇,能逐漸使不育性和溫光敏感性相結合而選育出純合溫光敏不育系.這種新的選擇序主要包括應用分期播種法、記錄性選擇法和春夏兩季交叉式選擇法,使含有不育基因的可育株系逐步積不育基因並增了溫光敏感性而育成玉米溫光敏不育系
  6. Laboratory culture experiment with the same treatments as pot experiment but without plant was carried out synchronously under constant temperature ( 25 ? ? ) and 20 % soil moisture. to study the influence of inhibitors on the dynamic process of transformation and variation of availability of cd in soil, laboratory cultured soil was sampled in certain interval during the 128 - day cultured period for the analysis of cd availability and speciation. in adsorption - desorption experiment, the tested soil had fistly been cultured under constant temperature ( 25 1 ) and 20 % soil moisture for two months after the treatment according to the designed plan, then isothermal adsorption - desorption experiment was proceeded when the reaction between inhibitor and soil tended to be stable

    石灰施用量對植株吸收鍋有顯著影響,植株各部位鍋含量k )與石灰添量… , )的關系可以很好地用y叫( ax斗bx化)描述,石灰對植株鍋積的調控存在一個最佳抑制效應劑量,低於或高於這一劑量均不能達到最佳抑制效果,但對于不同植株部位和不同污染水平,最佳抑制效應劑量不同;低用量下,單位石灰添量對植株吸收鍋的抑制作用比高用量時大,因此若綜合考慮調控劑的施用成本及其對生物量的影響效應,則在本試驗條件下以施用石灰0
  7. The paper includes four sections followed here : the first section studies the modeling of signals of pulse doppler radar seeker, and establishes a radar signal simulation model, including radar emitting signal model, receiving signal model, receiving echo signal model, clutter model, noise model, sum channel directional pattern of antenna model, difference channel directional pattern of antenna model, sheltering model, rcs model, glint noise model, etc. the second section studies signal processing of pulse doppler radar seeker, and establishes radar signal processing mathematical model and data processing mathematical model for simulation, including windowing, doppler filtering, envelope demodulation, pdi, cfar, centering, velocity tracking, angle tracking, a - b filtering, etc. the third section studies the modeling of modified proportion guiding, and establishes guiding model, then dynamic simulation results is provided

    論文的主要工作包括四部分:第一部分研究了脈沖多普勒雷達導引頭的信號建模問題,建立了雷達信號模型,主要包括:發射信號模型、接收信號模型、目標回波信號模型、雜波模型、噪聲模型、和差通道天線向圖模型、遮擋因子模型、接收機噪聲模型、目標雷達截面積統計性模型、目標角閃爍模型等。第二部分研究了脈沖多普勒雷達導引頭的信號處理模式,建立了信號和數據處理模型,主要包括:窗和多普勒濾波、包絡檢波、檢波后積、頻域cfar處理、速度定心、速度跟蹤、角跟蹤、 ?濾波等,然後給出了信號處理流
  8. Several key techniques of carving and milling machine cnc system are deeply studied they include : the transformation, data rebuild and interface design of huge volume nc program produced by cam ; the algorithm of cubic parametric spline pre _ interpolation and high speed real time interpolation in the cnc system, which. will gain a much higher surface precision and cutting speed ; methodology and algorithm of movement velocity acceleration control on a real time forecast _ and _ prejudge basis is designed. therefore, a smooth movement is insured. the shake and noise problem caused by non _ uniform pules for driving stepping or servo motor is solved by an improving algorithm to generate uniform pules

    同時,本文對基於統一的pc平臺的雕銑機數控系統中的幾項關鍵技術進行了深入的研究,包括: cam生成序的傳送、接收、讀取及其工鏈表的生成和實時重構;對cam生成的離散數據進行三次參數樣條插值和基於弦長的三次參數樣條插補控制,保證工工件表面的精度和光順性;設計具有「前瞻」功能的自動升降速控制法,保證工過的平穩性;通過脈沖均勻化,有效地解決工過中因為脈沖不均勻而引起的震動問題。
  9. 3. the process of education is just a process of the generation of the students " personal knowledge, which includes two closely combined aspects : the implicitization of explicit knowledge and the explicitization of implicit knowledge, hi the former aspect, students use other people ' s achievement and change it into personal capability and quality ; in the latter aspect, students accumulate experience in everyday practice and change into explicit knowledge with the help of language system

    教育過其實質也即學生個人知識生成的過,包括兩個密切關聯的面:顯性知識的緘默化和緘默知識的顯性化。前者指學生通過學習人類的認識成果,並在實踐活動中以運用而轉化為個人的技能、技巧,內化為自身的素質;後者指學生在自己日常實踐活動中積經驗,產生緘默知識,藉助于語言符號系統而使其顯性化。
  10. The sequence of two patterns presence is changed alternately, that is, one pattern will appear at the second pulse of total pattern in this half cycle if it appears at first pulse in last half cycle. the stability of square pattern was studied by considering the interaction among the wall charges. the discharge moments of individual filament alternate from long one to short in the square pattern, which can been explained by using the breakdown and quench model through considering the wall discharge accumulated on the dielectric layers

    實驗研究了正網格斑圖與混合氣體的比例及外電壓的關系,給出了班圖類型隨上述條件變化的相圖;實驗採用光學法對正網格斑圖進行了時空動力學測量,發現正網格斑圖是由兩套正網格斑圖相互嵌套而成,其中一套的微放電絲位於另一套正形單元的中心,這兩套微放電絲交替進行放電;考慮到壁電荷之間的相互作用,研究了正網格斑圖的穩定性;實驗發現正網格斑圖的微放電絲放電時間間隔是長短交替變化的,考慮到電介質表面積的壁電荷的作用,使用擊穿?熄滅很好的解釋了該現象。
  11. In this paper, a " step - by - step " recursive 3 - d frequency - space wed scheme is presented to deal with real data

    本文採用三維頻率空間域有限差分波場延拓運算元以「逐步」的式實現了三維波動基準面校正,並對實際數據進行了處理。
  12. Since it is a pig tyrants, and of course porcine link between. games, the player control of a vehicle carrying a porcine, escape from the bullets hit around. key control feizhu next move around, the game system is unique in the escape process, players can use insurance space bar is the instant removal of the bullets around to help their escape, xu li chutes to the left, with the game and xu li trough will slowly increase with a slow groove, increase a life, and the release of a p

    向鍵控制飛豬上下左右移動,游戲系統較為特殊,在躲避過中,玩家可以使用「保險」空格鍵即瞬間清除周圍的子彈,幫助自己逃脫,左下為蓄力槽,隨著游戲的進行,蓄力槽會慢慢增,一條槽蓄慢的話,會增一次生命,而玩家如果釋放一次「保險」則會扣去一條生命,注意,只是扣去一條生命,並不會減少已經積蓄的能量槽,但如果被子彈擊中的話,不僅失去一次生命,還會清空槽中已經積的能量。
  13. Introduction : since it is a pig tyrants, and of course porcine link between. games, the player control of a vehicle carrying a porcine, escape from the bullets hit around. key control feizhu next move around, the game system is unique in the escape process, players can use insurance space bar is the instant removal of the bullets around to help their escape, xu li chutes to the left, with the game and xu li trough will slowly increase with a slow groove, increase a life, and the release of a p

    向鍵控制飛豬上下左右移動,游戲系統較為特殊,在躲避過中,玩家可以使用「保險」空格鍵即瞬間清除周圍的子彈,幫助自己逃脫,左下為蓄力槽,隨著游戲的進行,蓄力槽會慢慢增,一條槽蓄慢的話,會增一次生命,而玩家如果釋放一次「保險」則會扣去一條生命,注意,只是扣去一條生命,並不會減少已經積蓄的能量槽,但如果被子彈擊中的話,不僅失去一次生命,還會清空槽中已經積的能量。
  14. This method is the amalgamation of wavelet decomposition, relevance process and average, which can raise the signal - to - noise ratio and improve the accuracy of system

    法融合了小波分解、相關過平均等技術,能有效地提高系統信噪比,保證溫度測量的精度。
  15. On such a basisthe commonly used monomial error accumulating totals correction method is introduced. the author proposes a coordinate transformation method to deal with its drawbacks of maths model imperfection, not applicable to lange - angle deviation and adding to the difficulties of equipment. while orientating the order of matrices according to the principle of the accordance between coordinate ' s rotating order and the physical process of device measuring, a strict maths model of the influence of axis system deviation on surveying angles is concluded and the corresponding correction method is induced. its far - reaching meanings are as follow : ( 1 ) the maths model of the influence of axis system deviation on surveying angles established by the new method is concluded after considerations for the three deviations simultaneously. changes under all circumstances are included, so it is theoretically a perfection of maths method

    在此基礎上介紹了國內目前採用的軸系偏差對測量角影響的經典改正法?單項差計改正法,並針對該法存在的數學模型不完善、對大角度偏差不適用、增設備調整難度等缺陷,提出採用坐標變換法,並根據坐標的旋轉次序與設備測量的物理過相符合的原理定位各矩陣的先後順序,推導出了軸系偏差對測量角影響的嚴格數學模型,歸納建立了相應測量角的改正法。
  16. A simple and easy operating criterion is put forward in accordance with the relation between positive - sequence component and negative - sequence component of stator current when the motor is in unbalance and single phase broken. based on analyzing the traditional inverse time - lag overloading protection of motors, an inverse time - lag operating equation with accumulating stator current is achieved, according to the differential equation of the heating and cooling while the current flows into the conductor

    在分析電動機傳統的反時限過負荷保護的基礎上,根據導體中流過電流時的發熱、散熱微分得到了定子電流的反時限過負荷保護動作,經簡化后得到定子電流的實用的反時限特性遞推公式。
  17. To deal with the echo information from doppler weather radar, in this paper we recommend the processing of some radar products ( cr, vcs, cappi, vil, wer, vwp ), according to the research of nim on weather radar, referred to other advanced algorithm of radar products from home and abroad and combined with the requirement of application in our country. these products are produced on the platform of windows 98 or windows 2000 by the use of visual c + +

    為了對多普勒天氣雷達的回波信息(包括強度、徑向速度和速度譜寬)進行工、計算和處理,本文根據南京氣象學院在天氣雷達面的長期研究積,同時借鑒其他國內外先進的天氣雷達產品的演算法,結合我國氣象業務應用的要求,對多普勒天氣雷達的氣象產品(組合反射率因子、任意垂直剖面、等高平面位置顯示、垂直積含水量、弱回波區顯示、 vad垂直風廓線等)進行工化設計。
  18. Then the research of algorithms of texture - based image retrieval is devised from the following three aspects : 1. texture - based image retrieval algorithms in spatial domain : perceptual - based tamura texture feature is analyzed ; run - length texture analyzing algorithm is improved ; four laws " texture operators which perform better in texture analyzing are achieved

    空間域紋理分析面,分析了對應於人眼視覺感受的tamura紋理特徵,將遊長度紋理分析演算法改進為遊的紋理檢索演算法;總結出在基於紋理特徵的圖象檢索中四個有效的laws紋理能量運算元。
  19. The ibm - pc computer can inspect and monitor the distant controller. ( 3 ) we used the counter and timer to improve the rate of success and the system containing error ability and avoid the infinite cycle when we design the serial communication software. moreover we adopt the checking out method

    ( 3 )在串列通訊軟體設計面,採用了重復次數計數器和定時器,從而大大提高了通訊的成功率和系統的容錯能力並且避免了發生死鎖情況;在數據傳輸過中,採用和的校驗法,保證了系統傳輸的安全性、可靠性。
  20. 2. with a view to the theory of dds, this paper introduces the realization of dds, which based on programmable device. it also discusses in detail some key techniques such as the design of high speed phase accumulator and ram

    2 .從dds的原理出發,著重介紹了一種自行設計的基於可編邏輯器件fpga的dds電路的實現法,並對其高速相位器、 ram查找表等關鍵技術進行了詳細討論。
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