轉數減少 的英文怎麼說

中文拼音 [zhuǎnshǔjiǎnshǎo]
轉數減少 英文
drive down
  • 轉 : 轉構詞成分。
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 少 : 少Ⅰ形容詞（數量小） few; little; less Ⅱ動詞1 （不夠原有或應有的數目; 缺少） be short; lack 2 （丟...
  1. The rotational levels of the ground vibrational level may be depopulated by radiation.

    基態振動能級的各轉動能級的粒子數可能因幅射而減少。
  2. In various speech character parameters, formant frequency, bandwidth and pitch frequency are chosen as voice character parameters. the reasons are as follows : hearing apperceive experiments indicates that formant frequency can stand for a majority of voice information, while average pitch frequency can explain 55 % ability of speaker verification

    數據結果與多項式回歸和線性多變量回歸相比，支持向量回歸既提高了泛化性能又避免了頻譜不連續性，從而使轉換語音與目標語音的頻譜距離失真分別減少了33 . 29 %和35 . 24 % 。
  3. Here are some examples of the requirements specified for this case study : ( 1 ) avoid conflicts among phlebotomist ' s tasks caused by the room layout ( from the hta model and the spatial layout model ), ( 2 ) reduce the number of devices and containers to save space ( from the spatial layout model ), and ( 3 ) improve recording and transferring information accurately to other sections of the hospital ( from the information flow model )

    這是在這個案例中的一些特殊需求的例子： （ 1 ）避免在醫師任務和房間內空間規劃上發生沖突（從hta模型和空間規劃模型得出） ， （ 2 ）減少設備和容器的數量以節約空間（從空間模型） ， （ 3 ）改進記錄和精確的轉化信息到別的地區的醫院（從信息流模型得出） 。
  4. For one thing, if the materials store is too large, it will occupy too much fund and lead to torpidity of turnover fund. on the other hand, if the materials store is too small, it cannot meet the requirement of selling and producing, and will certainly increase purchase frequency or produce batch, thus this will expand the cost of purchase and produce and will reduce the enterprise profit

    一方面，如庫存量過大，則佔用資金量過多，易於造成流動資金周轉不靈；另一方面，若庫存量過少，不能滿足生產、銷售的實際需要，勢必要增加采購次數或生產批次，加大了采購或生產成本，從而減少了企業的利潤。
  5. Accordingly, using graph theory and operating experience abroad for reference, it firstly brings forward a new method of voltage rectification which based on pilot bus with voltage control area in view of the weak coupling among every vca ( voltage control area ), using decomposing method of multi critical value, it realizes the eliminating vinculum of every vca. and then, the rectification starts by pilot bus voltage of every vca. so the resolution of whole power net is diverted into calculating smaller sub - net

    由於各個電壓控制區之間無功電壓的弱耦合性，利用多閥值分解的分區演算法，實現區域間的解耦，然後根據各個子網路的主導節點的電壓進行校正，從而把求解整個網路的問題轉化為求解各個小的子網路，降低了網路維數，減少了無功設備控制動作次數，提高了校正成功率，縮短了計算時間。
  6. There was an across - the - board reduction in the number and value of all types of approvals

    無論是涉及一手市場或二手市場交易的貸款及轉按貸款的貸款額及宗數均告減少。
  7. Fifth ieee symp. computers and communications, antibes, france, july 3 - 6, 2000, pp. 773 - 778. 12 viswanathan a, feldman n, wang z, callon r. evolution of multiprotocol label switching

    此外，演算法所建立的路徑，盡量減少封包傳送時經過波長轉換器的次數，以避免封包延遲或丟棄，並增加封包傳送的效率。
  8. In the light of the problems of the air balance system of model lcj1250 chain drive pumping unit, it is proposed to change the air balance with counterweight balance, and three criteria for the modification is put forward : ( 1 ) ensuring the reliability of the unit with smooth operation, low noise and long life ; ( 2 ) cutting down the production cost and using less component parts as possible ; ( 3 ) carrying out modification without such main technical parameters as stroke, pumping speed and maximum polished rod load

    針對lcj1250氣平衡式鏈條抽油機存在氣平衡故障率高和現場維修困難等問題，提出將氣平衡改造成工作可靠的重力平衡的方案，並確定了改造的三個原則：一是保證整機的可靠性，使抽油機運轉平穩，振動噪音小，壽命長；二是力求降低生產成本，減少零部件製造，盡可能選用原來的通用件，捨去平衡缸和空氣包等氣平衡附件，在原往返架主體上懸掛一個配重箱；三是力求不改變沖程、沖次及最大懸點載荷等主要技術參數。
  9. Abstract : in the light of the problems of the air balance system of model lcj1250 chain drive pumping unit, it is proposed to change the air balance with counterweight balance, and three criteria for the modification is put forward : ( 1 ) ensuring the reliability of the unit with smooth operation, low noise and long life ; ( 2 ) cutting down the production cost and using less component parts as possible ; ( 3 ) carrying out modification without such main technical parameters as stroke, pumping speed and maximum polished rod load

    文摘:針對lcj1250氣平衡式鏈條抽油機存在氣平衡故障率高和現場維修困難等問題，提出將氣平衡改造成工作可靠的重力平衡的方案，並確定了改造的三個原則：一是保證整機的可靠性，使抽油機運轉平穩，振動噪音小，壽命長；二是力求降低生產成本，減少零部件製造，盡可能選用原來的通用件，捨去平衡缸和空氣包等氣平衡附件，在原往返架主體上懸掛一個配重箱；三是力求不改變沖程、沖次及最大懸點載荷等主要技術參數。
  10. Even relatively short stays in space can produce profound changes in the body, consistent with what nasa euphemistically terms “ space adaptation syndrome ” : a loss of red blood cells, a reduced ability to exercise, a diminution of bone density, weight loss, cardiac arrhythmia, even a lengthening of the body

    即便在太空逗留相對較短的時間也會給身體造成巨大的影響，這被美國國家航空和宇宙航行局婉轉地稱為「太空適應綜合癥」 ，表現為紅血球數量減少，運動能力下降，骨質疏鬆，體重下降，心律不齊，甚至身體拉長。
  11. The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film

    試驗結果表明：所選原料的尺寸、形狀及純度可滿足固體潤滑劑的性能要求；聚四氟乙烯樹脂熱分解溫度超過400 ，但在ptfe中加入無機填料會使復合材料吸水率提高，熔融溫度及分解溫度降低，且伴有氧化分解反應；碳纖維表面含有c = o及c - o - c等極性基團，有利於提高其與其它組分的相容性，提高層間剪切強度；均勻設計試驗方法能夠用較少的試驗次數找出配方與摩擦性能間的關系，擬合曲線基本能表示各配方的摩擦系數發展趨勢；配方中不加銅粉或不加石墨，其摩擦系數均較高，說明銅粉和石墨應該配合使用；當銅粉15份、石墨60份時，銅粉30份、石墨30 - 40份時，銅粉60 、石墨15 - 30份時，摩擦系數均具有較低值；純聚四氟乙烯樹脂在空氣冷卻時結晶度最大，磨損量也是三者中最大的；同時，固體潤滑劑試樣在空氣冷卻時的磨損量也是三者中最大的：不論是固體潤滑劑與45 #鋼軸配副或是固體潤滑劑鑲嵌入銅套后與gcr15鋼軸配副，在金屬表面均可形成潤滑轉移膜，從而減少金屬摩擦副表面間的直接接觸，大大延長其使用壽命;轉移膜中主要含有較多的石墨、少量聚四氟乙烯、 moo 。
  12. The study has completed the design of two - phase inverter and made up of the two - phase inverter - motor system for experimental use it is a variable frequency adjustable speed system with a open - loop control of rotational speed, which consists of voltage - controlled oscillator circulating assign device inverter circuit and two - phase induction motor a accurate mathematical model is set based on the whole system, and simulator program of dynamic and steady condition is established, which is used to calculate the dynamic and steady performance by kron and symmetrical coordinate converter by simulator calculation and experimental research with specific parameter of the system, a comparison is made between predicted and experimental characteristics, experimental measurements are shown to compare closely with corresponding theoretical result it is compared with some variable frequency adjus table speed system comprising inverter and single - phase induction motor from the system efficiency torque pulsation and the effect of two - phase inverter capacitance based on the conclusion, harmonic cancellation pulse width modulation control of a two - phase inverter - fed induction - motor drive system is researched, which cancelled the low harmonic and improve the system performance

    通過對電機的kron變換和對稱分量變換，建立了系統較精確的數學模型，編制了系統動態及穩態運行的模擬計算程序分別計算系統的動態和穩態性能。通過對系統的具體參數進行了模擬運算和實驗研究，實驗和模擬結果進行比較，說明實驗和理論較為一致，並從系統效率、轉矩脈動及兩相逆變器電容的影響等方面與各種逆變器和單相異步電動機組成的變頻調速系統加以比較。在此基礎上，對兩相逆變器供電-異步電動機系統使用諧波抑制pwm控制進行了研究，由於減少了低次諧波，改善了系統性能。
  13. The surplus of labour supply over labour demand became more distinct in the latter part of 1998, when total employment registered a decrease and vacancies fell substantially across the board consequential to the downturn in the economy

    勞工供過于求的情況在一九九八年後期更形顯著，隨經濟逆轉，總就業人數下跌，職位空缺也全面大幅減少。
  14. The concept of row ( column ) transposed matrix and row ( column ) symmetric matrix is given, their basic property is studied, and the formula for full rank factorization and orthogonal diagonal factorization of row ( column ) symmetric matrix are presented, which can reduce dramatically the amount of calculation and save the cpu time and memory without loss of any numerical precision

    摘要提出了行（列）轉置矩陣與行（列）對稱矩陣的概念，研究了其性質，給出了行（列）對稱矩陣的滿秩分解和正交時角分解公式，極大地減少了行（列）對稱矩陣的滿秩分解和正交對角分解的計算量與存儲量，且沒有降低數值精度。
  15. As the execution efficiency of assembly language is about ten times higher than that of c language, we converted the standard c source code to assembly language and optimized it with adsp2188n instruction set, and so greatly reduced the system delay

    由於匯編語言比c語言的執行效率約高一個數量級，我們將標準c語言程序轉換為匯編語言程序，並針對adsp2188n晶元進行特定的優化，使其在dsp上高效運行，從而大大減少了系統時延。
  16. Material current management is the core of data management in every material circulation department. by combining with planning, purchase, selling, and shifting, inventory management organically, it has marked and positive effect on decreasing cost, reducing backlog, speeding up the turn of funds, guaranty production. it presently has become the most important one in the heavily part of the enterprise management and amt

    物流管理是各物資流通部門數據管理的核心，它將計劃、采購、銷售以及物資調度、庫存管理有機結合起來，對降低成本，減少庫存積壓、加速資金周轉、保證生產順利進行都有顯著的效果和積極作用，目前已成為企業的重中之重，是先進製造技術的重要組成部分。
  17. Serous cortisol content in each group increased, while cortisol content in group i was higher than that in each other group ( p < 0. 05 ). serous - ep content in each group increased and then decreased gradually, but - ep content in group iv has a significant increased at half an hour following incision ( p < 0. 05 ). conclusions canine immune functions are suppressed by operation with different anesthetic techniques to different degree, but resume at 15th day after operation. there is an interacting and interadjusting mechanism among the cns ( central nerve system ), the endocrine system and the immune system

    結果各組在麻醉手術后4h及術后1d白細胞總數、嗜中性分葉狀粒細胞數顯著增加（ p 0 . 05 ） ，淋巴細胞數減少；血清球蛋白含量先降低后升高；組rbc ? c _ 3br花環率先降低再升高后降低，其它組均先降低； t淋巴細胞轉化率均呈現不同程度的降低，在術后7d左右恢復正常；血漿皮質醇濃度先升高后降低，但組皮質醇含量在切皮后30min較其它組上升顯著（ p 0 . 05 ） ；血漿- ep濃度先升高后降低，但組- ep含量在切皮后30min較其它組上升顯著（ p 0 . 05 ） 。
  18. Using gyro measurements during periods of thruster firing, with thruster outputs, mass property identification is achieved through recursive least squares algorithms on the basis of the refined dynamics equation. the approach addresses the issue by segmenting the problem into two sub - problems which both allow closed form solution to reduce computation load

    該方法利用衛星上的陀螺輸出和推力器控制指令作為演算法的輸入，在修正的衛星姿態動力學模型基礎上，推導了衛星質量特性在線辨識遞推最小二乘演算法，將質心位置和轉動慣量矩陣的辨識解耦以降低辨識演算法的維數，減少計算量。
  19. By using the solutions of a new auxiliary elliptic equation, a direct algebraic method is proposed to construct the exact solutions of some nonlinear evolution equations. the main difference between this method and previous auxiliary elliptic equation methods is that the balance order becomes smaller after using the new auxiliary elliptic equation. therefore, the derived algebraic equations are greatly simplified. meanwhile, the obtained new solutions contain more parameters to be chosen. for some special cases, they give the previous known solutions. it is shown that some new exact periodic solutions of some nonlinear evolution equations are explicitly obtained with the aid of symbolic computation

    利用一個新的輔助橢圓方程將求解非線性發展方程精確解的問題轉化為一個代數方程組進行求解，與已有的輔助橢圓方程法的主要不同是，應用這一新的輔助橢圓方程后降低了平衡次數，減少了所得的代數方程組的個數和方程的項數，從而大大地簡化了代數方程組的求解.同時，由於輔助橢圓方程的解中包含了更多的可選參數，從而給出了非線性發展方程的更多形式的解.作為應用，藉助于計算機的符號計算，求得了一些非線性發展方程的新的精確周期解
  20. Reasonable selection of a / d and cpu is very important for sharply shortening the period of sampling and holding, a / d conversion, data transmissions, and final calculation

    通過合理選配a / d 、 cpu等參數減少採樣保持時間、 a / d轉換時間、數據傳輸時間與cpu計算時間等組成的數據轉換過程的總時延，保證了系統的精確度。
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