efficiency average 中文意思是什麼

efficiency average 解釋
平均生產率
  • efficiency : n. 1. 功效。2. 效率；效能；實力，能力。3. 【物理學】性能。
  • average : n 1 平均，平均數。2 一般水平，平均標準。3 【商業】海損；海損費用；（給領航的）報酬。adj 1 平均的...
  1. The instantaneous efficiency curve of hhchp is a negative slope beeline, while that of hgvt is n ' t. on condition of low temperature, commonly below 60, the average efficiency of hhchp is 48. 3 %, while that of hgvt is 42. 2 %

    蜂窩熱管平板式太陽能熱水器在低溫的情況下（一般小於60 ）具有優勢，其日平均效率為48 . 3 ，而真空管式太陽能熱水器的日平均效率為42 . 2 。
  2. Presents the steady - state programming with constant coolant average temperature and constant live steam pressure, an ideal programming for marine nuclear power plant ( npp ), under which, both the coolant average temperature and the live steam pressure of nuclear steam supply system ( nsss ) are constant when the steady state operating condition is varied, and points out that in comparison with the steadysate programming with constant coolant average temperature, the ideal programming can improve the overall operating performance of npp effectively, especially in low - load range, for instance, raise the heat efficiency of npp, decrease the operating noise of main coolant pump, and improve the conditions of design, operation and control of the secondary loop system

    雙恆定運行方案是船用壓水堆核動力裝置的理想運行方案.在這種運行方案下，當裝置穩態功率變化時，冷卻劑平均溫度與蒸汽壓都保持不變，與通常採用的冷卻劑平均溫度恆定運行方案相比，有效地改善了核動力裝置的總體運行性能，特別是在低負荷運行時，可以提高裝置經濟性、降低主泵運行噪聲、改善二迴路系統的設計、運行和控制條件，這對于提高船用核動力裝置的運行可靠性和安全性具有實際意義
  3. In order to imitate tune tail fin better, a flexible fin only in chordwise is considered. results shows that flexibility can increase the propulsive efficiency and cause small decreases in the average thrust compared with a rigid caudal fin with similar motion. next, a comparison between the rectangle fin and the lunate fin is given

    為了使數學模型更貼近生物模型，本文又將尾鰭處理為只考慮弦向變形而不考慮展向變形的柔性體，兩者對比的結果表明，柔性翼使得平均推力減小，但是，對具有相同推力的柔性翼比剛性翼具有更高的效率。
  4. If their average fuel efficiency were 30 mpg, their tailpipes would spew two billion tons of carbon that year

    如果平均燃油效率是每公升12 . 6公里，那一年，這些車輛的排氣管會排出20億噸碳。
  5. With the rapid development of the security stock market especially the stock market in chian ， issuing stock and circulating on market became the first choice of financing for more and more enterprise at the same time ， more and more investors are attracted by the relately high initial return of stock however ， the problem of ipos underpricing always exists in the stock market according to the data of more than one thousand chinese stocks ， most new issues had great raise in the first trade day ， and investors could acquire higher initial return than the average return of the stock market or the same industry we find that initial returns on a - share ipos average reached 132. 24 percent the main body of this paper is made up of six sections ： in the first part ， we introduced the method of the estimate of pricing decision ； in the second part ， we analyzed the method of the pricing decision and issuing system in china ， discussed the advantage and weakness of the various issuing methods ， and compared the economic efficiency between the examine and approve system and authorization system ； in the third part ， we analyzed the reason of ipo ' s underpricing in detail from information economics and other factors and combined with the environment of the chinese stock markets ， we analyzed the special characteristics in china and how they effect the ipo ' s underpricing in the fourth part ， we analyzed the data of chinese stock market with spss ， made a analysis of the administrative pricing decision and market pricing decision ， studied the underpricing phenomena of chinese stock market ， and analyzed it ' s causes ； in the fifth part ， we made a analysis of the examine approve system and authorization system ； and in the last part ， we drew some conclusions and put forth some policy advices the follow are the conclusions and policy advices in this dissertation ： （ 1 ） from the results of this empirical study ， we found that the issuing price - earning ratio and the market situation before ipos are strongly and positively associated with the underpricing of shares ， the issuing scale of ipo and the hit rate are strongly and negatively associated with the underpricing ； （ 2 ） we found that after the abolishing of ipo ' s p / e ratio and the using of authorization system ， there is no significant difference among the underpricing of shares ， but considered with the market entironment ， we think that the ipo ' s underpricing has been correspondingly reduced （ 3 ） to reduce difference between the primary market and the second market ， we suggested that we shall bring the " over - allotment option ( oao ) " to bear and resume the state - owned share and corporate - owned share to circulate on market as soon possible

    本文的主體由六個部分組成：第一部分介紹新股發行定價的估值方法；第二部分對我國的發行定價方式和發行制度進行分析，探討不同發行定價方式的優缺點，以及審批制和核準制經濟效率分析；第三部分從信息經濟學角度和其他因素的角度詳細分析造成新股發行抑價的原因，並結合我國股票市場實際情況，分析了我國市場的特有因素是否及如何影響一級市場的發行抑價程度的；第四部分利用統計分析軟體spss對我國新股行政化和市場化定價進行實證分析，主要包括新股發行行政化和市場化定價方式的實施情況和效果分析、新股發行行政化定價方式的實證分析，以及新股發行行政化和市場化定價方式的比較實證分析；第五部分利用統計分析軟體spss對我國新股發行審批制和核準制進行實證分析；第六部分是本論文的主要結論。本文的主要結論和建議有： （ 1 ）從實證分析結果看，我國新股發行抑價與市場環境、發行市盈率呈顯著正向關系，與發行規模、申購中簽率等呈顯著反向關系。 （ 2 ）取消發行市盈率限制和實施核準制等市場化改革措施並沒有降低發行抑價的絕對水平，只是由於市場環境的因素，發行抑價的相對水平才有所降低。
  6. 2, under equally see the quantity, compress the calculate way s exportation code plain deal connect the good and bad that decide its function of the good and bad, or say, output the code the term of same alike rate the bottom, and the portrait quantity reflected the function of the compression calculate way. adopt with dv all because of the m - jpeg an inside compress the way, efficiency of their compression certainly want lower than mpeg2. certainly, this is an average circumstance, at the time that low code rate, the mpeg2 can compare the m - jpeg compression the ratio high and a lot of but keep the good diagram to resemble the quantity ; but at request the diagram to resemble the quantity the good time for example the sow the room program edit with empress period creation, their difference to is not very big. too is to say, just at the compression efficiency that not emphasize the portrait quantity that the circumstance, mpeg2 is high

    2在同樣的視頻質量下，壓縮演算法的輸出碼率直接決定其性能的優劣，或者說，輸出碼率相同的條件下，圖象質量的優劣反映了壓縮演算法的性能。由於m - jpeg和dv都是採用幀內壓縮方式，它們的壓縮效率當然要比mpeg2低。當然，這是一個平均情況，在低碼率的時候， mpeg2可以比m - jpeg的壓縮比高很多而保持較好的圖像質量而在要求圖像質量很好的時候比如演播室節目編輯和後期製作，它們的差別不是很大。
  7. The first facet is to put forward four - step block matching algorithm which can deduce the time of motion estimation and improve the coding efficiency, based on the traditional motion estimation algorithms. the second facet is to propose a new rate control algorithm, that is average - reaction rate control algorithm, based on the rate control of mpeg2. the new rate control algorithm can achieve rapid and efficient adaptive coding

    首先在對傳統的運動估計演算法進行研究和改進的基礎上，提出了四步搜索塊匹配的運動估計演算法，減少了運動估計的時間，提高了編碼效率；其次在分析mpeg2比特率控制的基礎上，提出了一種新的比特率控制演算法? ?平均響應比特率控制演算法，該演算法能夠快速有效的實現自適應編碼。
  8. Network forensics is an important extension to present security infrastructure, and is becoming the research focus of forensic investigators and network security researchers. however many challenges still exist in conducting network forensics : the sheer amount of data generated by the network ; the comprehensibility of evidences extracted from collected data ; the efficiency of evidence analysis methods, etc. against above challenges, by taking the advantage of both the great learning capability and the comprehensibility of the analyzed results of decision tree technology and fuzzy logic, the researcher develops a fuzzy decision tree based network forensics system to aid an investigator in analyzing computer crime in network environments and automatically extract digital evidence. at the end of the paper, the experimental comparison results between our proposed method and other popular methods are presented. experimental results show that the system can classify most kinds of events ( 91. 16 ? correct classification rate on average ), provide analyzed and comprehensible information for a forensic expert and automate or semi - automate the process of forensic analysis

    網路取證是對現有網路安全體系的必要擴展，已日益成為研究的重點.但目前在進行網路取證時仍存在很多挑戰:如網路產生的海量數據;從已收集數據中提取的證據的可理解性;證據分析方法的有效性等.針對上述問題，利用模糊決策樹技術強大的學習能力及其分析結果的易理解性，開發了一種基於模糊決策樹的網路取證分析系統，以協助網路取證人員在網路環境下對計算機犯罪事件進行取證分析.給出了該方法的實驗結果以及與現有方法的對照分析結果.實驗結果表明，該系統可以對大多數網路事件進行識別（平均正確分類率為91 . 16 ? ） ，能為網路取證人員提供可理解的信息，協助取證人員進行快速高效的證據分析
  9. The efficiency of irrigation in the beginning of the growth cycle in arid season distinctly surpassed the average wue. twelve treatments of combining different times and amounts of irrigation were applied in 2002

    灌溉處理並不能引起同茬同品種苜蓿的蛋白質含量出現差異；但是在第二茬初期灌溉，能在雨季來臨前搶收到更多的優質苜蓿。
  10. At the peak of efficiency, the marginal cost of production equals the average cost of production.

    在效率的峰值點，生產的邊際成本等於生產的平均成本。
  11. By successful solution of non - linear magnetic fields and revision of the program, we can reach following conclusions : in the computation of nonlinear magnetic fields, if iteration method is used, under - relaxation is necessary when amending the permeability distribution in soft magnetic materials ; and when < wp = 5 > calculating the equivalent current density in permanent magnets, under - relaxation is not a necessity ; when searching for permeability values by interpolation method on the demagnetization curve of soft magnetic materials, if a fixed saturation point is set, around this point an abrupt change of permeability values will be obtained ; this sudden change may cause a little problem in the smoothness of magnetic field distribution ; because the magnetic circuits of microwave tubes are too complicated, in the author ' s view, to describe the working state of a magnet system, the working points of magnets can not do it properly but average energy production of magnets will serve ; as to indicate the quality of a magnet system design for microwave tubes, the efficiency of magnetic energy utilization will be a very good criterion

    由此得出結論，在非線性磁場計算中：採用迭代法的情況下，在各迭代循環之間進行磁導率修正時，一個欠鬆弛迭代過程是必需的；對永磁體中的等效電流修正時可以不作欠鬆弛迭代；在純鐵的磁化曲線上指定某一個固定的磁感應強度為磁飽和值，會使得插值求出的磁導率在該磁飽和值附近有一突變，這一突變對計算結果中磁場分佈變化的光滑性稍有影響。在微波管磁系統設計中，由於微波管磁路比較復雜，作者認為磁體的工作點並不能很好地反映磁體的工作狀態，而採用平均磁能積為衡量磁體工作狀態的標準更加符合微波管磁系統的實際情況；要表示磁系統設計好壞的程度，則用磁能利用的效率為標準更好。
  12. The result indicates : the new techno - logy of mechanical peeling, color and luster protection with an average of 2. 0 % humidity and hot wind plus microwave drying can replace the traditional processing, it shorten processing time, promots the processing efficiency

    結果表明，機械去皮、 2 . 0 %噴淋均濕護色、熱風微波乾燥新工藝能較好地替代傳統加工工藝，並起到縮短加工時間、提高加工效率的作用。
  13. 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：燃用乳化油節油率有所提高，當n = 2000r min ，摻水率為20時最大節油率可達4 . 1 ；燃用乳化油的熱效率也高於燃用純柴油； no _ x 、顆粒排放比燃用純柴油時則有大幅度降低，當n = 1500r min摻水率為20時， no _ x排放量下降的最大值可達43 . 4 ；固體顆粒物排放量在整個負荷范圍內的平均值比燃用純柴油時低46 64 ；隨著乳化油摻水量的提高，排放效果改善越明顯；而thc和co的排放量則比燃用純柴油時有所升高。
  14. Reasonable matching of wafer and wire : the advanced matching of wafer improves average voltage in electric field and current density of wafer corona, which the dedusting efficiency is higher

    板線匹配更合理。先進的板匹配，有效地提高了電場平均電壓和板電暈電流密度，收塵效率更高。
  15. Application of the new system not only increased the efficiency of decision making, but also improved the correctness of decision making and increased the investment benefit. as shown in a incomplete statistic, 515. 900 million rmb was invested on new project including technical change project during 2002 - 2004, with an average profit if 96. 62 million rmb and a average payback period of 5. 33 year and a investment payback rate of 18. 76 %. key project and some representative project basically reach the expect purpose

    據不完全統計，在2002年? 2004年期間，總公司用於新項目投資（包含技改項目）資金為51590萬元，年均總利潤為9662萬元，平均投資回收期為5 . 33年，投資回報率18 . 76 % ，在扣除安全、環保等不直接產生效益的投資項目后，重點項目及一些具有代表性的項目基本達到了總公司4年收回投資的預期收益目標。
  16. Since chunlan group installed their video conferencing solution they have saved on average, 30 million rmb a year, and greatly improved their operating efficiency. their primary use for video conferencing is now training

    據春蘭集團透露的數據，其將視頻會議系統引入企業管理后，一年時間節約會費等約3000萬元，極大地降低了企業運營成本。
  17. With promulgation and obliging actualization of iec 1000 - 3 - 2 etc. international standards, power factor correction ( pfc ) technique become a hotspot of research in power electronics field. based on average current mode, the paper introduce the design and implementation of a fully digital controlled single - phase boost power factor corrector with fast response. the control - loop circuit is realized using digital control and the corrector can tend to unity power factor, lower current harmonics and high transfer efficiency

    本文在平均電流模式控制的有源功率因數校正技術的基礎上，設計了一種控制電路基於數字信號處理器（ dsp ） 、主電路採用boost變換器拓撲結構的全數字單相功率因數校正器，用數字電路代替傳統的模擬電路來實現對整個迴路的控制，最終使得校正器具有輸入功率因數接近於1 、低電流諧波以及高轉換效率的特性。
  18. Through experimentation, we compare the heat performance of hhchp with that of a solar water heater of glass vacuum tube ( abbreviated as hgvt ). the heat performance of a solar water heater includes instantaneous efficiency, average heat efficiency and heat loss coefficient

    通過大量的實驗，對蜂窩熱管平板式太陽能熱水器和全玻璃真空管式太陽能熱水器的熱性能進行比較，包括瞬時效率、日平均效率、熱損系數等。
  19. When using the method of periodically renewing electrolyte, the average current efficiency is 47. 3 % ( ii ) the solubility of k2feo4 in the solution of naoh is higher than that of the same concentration of koh solution and both of them become low with the growth of the alkaline concentration. the solubility of k2feo4 in the mixed solution of koh and naoh was influenced by both of common ions effect and salting - out effect and the influence of common ions effect is more heavy. the rate of methanol ' s reacting with k2feo4 is proportional to the content of water in the solid k2feo4. the stability of the potassium ferrate solution is far below the solid

    （ 2 ） k _ 2feo _ 4在naoh溶液中的溶解度高於同濃度koh溶液中的溶解度，且溶解度均隨著堿溶液濃度的增大而降低； k _ 2feo _ 4在koh和naoh混合堿溶液中的溶解度，受到同離子效應和鹽效應的共同影響，且同離子效應的影響更大；固態k _ 2feo _ 4被甲醇還原的速度與甲醇或固態k _ 2feo _ 4的含水量成正比； k _ 2feo _ 4溶液的穩定性遠遠低於固態k _ 2feo _ 4 ，少量水的存在，可促使k _ 2feo _ 4按溶解?分解?再溶解?再分解的過程分解。
  20. For the time being, we occupy the first position of main industrial economic benefits, but most of the 39 industries have lower economic benefits than the average level and the better ones conti ibute to the petrol chemical and nature gas excavation. level of industry is lower because we depend so much on the resource and market that the technical industry has less efficiency than it is supposed to be

    目前，雖然工業主要經濟效益指標在全國名列前茅，但從工業39個行業來分析，大多數行業經濟效益低於全國平均水平，工業經濟效益較好的主要行業是石油和天然氣開采業，產業層次低，主要依賴于資源和市場，而技術層次高的專業化部門效益較差。
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