perfect number 中文意思是什麼

perfect number 解釋
完美數
  • perfect : adj 1 完全的,完美的;圓滿的,理想的;純粹的。2 熟練的,精通的 (in)。3 絕對的,毋容置疑的;分毫...
  • number : n 1 數;數字;〈pl 〉算術。2 (汽車等的)號碼;第…,第…卷,第…期〈通常略作 No (復數 Nos ),用於...
  1. Deng x g, zhuang f g, mao m l. on low mach number perfect gas flow calculations [ r ], aiaa paper 99 - 3317

    鄧小剛.粘性超聲速復雜氣動力干擾的數值模擬[ d ] : [博士學位論文] ,中國空氣動力研究與發展中心, 1991
  2. Thermodynamical fluctuation of number density of particles in grand canonical ensemble of perfect systems

    理想體系巨正則系綜中粒子數密度的熱力學漲落
  3. Quite a number of stories there were on that particular alice ben bolt topic, enoch arden and rip van winkle and does anybody hereabouts remember caoc o leary, a favourite and most trying declamation piece, by the way, of poor john casey and a bit of perfect poetry in its own small way

    這里可有人記得盲人奧利里59嗎?順便提一下,那是可憐的約翰凱西60所寫的深受歡迎卻又令人心酸音調鏗鏘的作品,結構完美的小小詩篇。
  4. Furthermore, on the basis of consultancies, inquiries and evaluations from multiple sources, the model for predicting soil and water loss in dandong - zhuanghe highway construction is developed. moreover, considering the characteristics of the highway, the covering area of the project is divided into three parts such as main body area, soil - fetching area and soil - spoiling area. for these three preventive areas, the perfect precaution measures for preventing and curing the soil and water loss during the road construction in which a number of vegetal cover measures are taken

    論文中詳細調查並介紹了項目情況及沿線自然、社會經濟狀況;收集研究了公路建設項目水土流失預測的基本內容和方法,在多方查詢、請教專家及分析研究的基礎上,提出了丹莊高速公路水土流失預測模型,針對項目不同區域進行了水土流失預測和分析,為水土保持措施的設計提供了定量依據;論文根據高速公路項目的特點,將丹東至莊河高速公路項目區分成了主體工程、取土場、棄土場三個水土流失防治區,並在初步設計文件的基礎上,針對三個水土流失防治區進行了較為完善的水土保持防治措施設計;論文在丹東至莊河高速公路水土保持方案設計中大量採用了植被防護措施,為了更有力地指導植被措施的施工,論文中還就植被保持水土的有效性進行了研究探討。
  5. We take advantage of the method of trying and supposing to finish the experiment. for example, we firstly compute the number of the led regarding perfect situation, then finish the experiment and rectify the numerical value. for another example, we firstly compute the resistance under the desiring situation, secondly choose appropriate resistances according to the debug result

    在試驗過程中,採用了假設法,在光源強度的選擇中,首先將led看作理想點光源,然後對其光路進行分析,計算出led需要的個數,最後在試驗中對結果進行修正;在確定光源驅動電路電阻時,也是考慮各種器件都工作在理想狀態下,然後計算出其值,最後在調試的過程中對其進行修改。
  6. Otherwise, attributing to the long - term integration of government administration with enterprise, a number of problems still need to be dealt with such as how to speed up the modern enterprise system construction, how to decentralize the decision - making power to lower levels, how to build up competition mechanism, how to raise fund, how to perfect the property operation responsibility system, how to rationalize the calculation of the check - up indicators and how to realize the division of responsibility, powers and interests

    但由於長期實行「政企合一」 、 「一體化」經營管理模式,加上鐵路自身的特點,至今現代企業制度建設進程緩慢,分權問題未能真正得到解決,內部缺乏競爭機制,鐵路建設資金短缺,資產經營責任制尚不完善,考核指標計算還待科學合理化,責、權、利需要進一步到位。
  7. Everything was here arranged in perfect order ; each register had its number, each file of papers its place

    這兒的一切都井井有條。每一種檔案都編著號碼,每一夾文件都有固定的地方。
  8. The main types of college teachers ’ appointment contract include : the college teachers ’ of the fixed deadline, the college teachers ’ appointment contract of the deadline to complete the certain work, and the college teachers ’ appointment contract of the special attendance, and also we can get another two types of college teachers ’ appointment contract, which are individual college teachers ’ appointment contract and collective college teachers ’ appointment contract, according to the number of people in one party ; they must be work out by the strict written form, and must pass through the offer and the acceptance step, and don ’ t acknowledge the legal effect of the factual appointment contract ; after the appointment contract becomes effective, the higher college as the appointed party and the teacher as engaged party should completely fulfill the right and obligation provisions in the contract under the instructions of the three principles : fulfill personally, comprehensively, cooperatively. in which, the teachers ’ rights and obligations include : enjoy and undertake the rights and obligations as the specialist engaged in education, teaching and the scientific research ; may change or terminate the contract on the basis of the bilateral consultation, but dismissal and resignation must conform to the agreement or the legal matter ; in the liabilities for breach the contract, be headed by the practical fulfillment, including other two remedial way which are damage compensation and penalty ; in the dispute solution, must establish the perfect concrete mediation system, the arbitration and the civil lawsuit system

    高校教師聘任合同主要類型為固定期限的高校教師聘任合同、以完成一定工作為期限的高校教師聘任合同和特殊照顧的高校教師聘任合同,也可依據合同當事人一方人數的多寡不同,也可將個人高校教師聘任合同和集體高校教師聘任合同;其應當以嚴格的書面形式訂立,須經過要約、承諾步驟,且不應當承認事實聘任合同的法律效力;聘任合同生效后,作為聘任方的高等學校和受聘方的教師應當在親自履行、全面履行和協作履行三大原則的指導下完全履行合同中所約定的權利義務條款,其中教師的權利義務內容包括作為一般公民和作為從事教育教學及其科研活動的專業人員所應享有或者承擔的權利義務;經過雙方的協商可以變更或者終止合同,但解聘和辭聘必須符合約定或者法定的事由;在違約責任形式上,應當確立以實際履行為首,包括損害賠償、違約金等三種補救方式;在爭議解決方式上應當建立健全具體的調解制度、仲裁和民事訴訟制度。
  9. The illustration is by hand to express, quote from this literary reference of “ the head hangs the beam, the zhui stabs ” of ancient times, but the ancients cloud : " in the book there is gold house ", an monster is binding the hair to try very hard to studying on the ceiling, there is a large number of gold ingot in front of him, but his is die of have eyes fixed on this gold, still stay the exit water in mouth, take the irony meaning, deliver the deep province of person, attack current education system in china not perfect, the examination is hardly limited the student ' s imagination and creative ability

    用手繪插畫的形式來表現,引用了古代「頭懸梁,錐刺股」的這一典故,而古人云: 「書中自有黃金屋」 ,一個怪人正把頭發綁在天花板上拚命讀書,在他面前的是一堆金錠,而他的眼睛正在死死的盯住這堆黃金,嘴裏還留出口水,帶有諷刺意義,發人深省,抨擊了中國現行的教育體制的不完善,功名考試極大的限制了學生的思維和想象力。
  10. In this paper, micro - cavity semiconductor laser ( mcsl ) with pillar vertical - cavity surface - emitting structure ( vcsel ) which has potential applications in optical communication and optical interconnect is theoretically analyzed, the calculation model that used to discuss the modal performance of rectangular columnar and cylinder vcsel with oxidized aperture is established by using vector field model. the numerical simulations in the case of cylinder structure show oscillating wavelength and threshold gain against inside and outside radius of laser, the layer refractive index and pair number of bragg mirror, thickness, position and oxidized material ' s refractive index of oxidized aperture, in detail. more practically, considering dos shell of laser as non - perfect one, or supposing that dos shell is separated from the laser, we can obtain more significative results

    本工作以矢量場模型出發,對具有誘人應用前景的柱形垂直腔面發射結構( vcsel )的微腔半導體激光器( mcsl )進行了理論分析,建立了用於分析方柱形和圓柱形結構具有氧化孔徑層的激光器的模式特性的理論模型;對圓柱形結構情況進行了數值模擬,得到了振蕩波長、閾值增益隨激光器內外半徑、 bragg反射鏡層折射率、周期數以及氧化孔徑層厚度、位置和氧化物折射率的詳細變化規律;為使理論計算更接近實際,將外加金屬包殼視為非理想導體,或將金屬包殼與激光器結構隔開,分別對這兩種情況下的結果進行了討論。
  11. The approach maintains the simplicity of the original algorithm, and carry out perfect model following. the pseudo - inverse method is concerned with distributing the deflection commands of multiple control surfaces of the aircraft to generate required control responses when the number of independent control surfaces is greater than the number of required independent control responses

    偽逆演算法通過改變反饋增益來實現故障系統的控制律重構,當一個操縱面發生故障后,可改變控制律重新分配控制指令,利用其它操縱面來實現它的功能,近代先進飛機多採用此方法來提高飛機的容錯能力。
  12. Based on these models, a main - road traffic flow model with two speeds on one dimension is designed. this model simulate the situation of one road in the city, traffic lights placed on the crossing, using the computer simulation, firstly, in the case of synchronized traffic lights, we investigated the velocity and flow of the model when the initial density, the turning probabilities, the number of the traffic lights, the green to signal ratio and the period of the signal are changed, then we have advanced some meliorate measure to traffic flow ; secondly, in the case of the traffic lights " signal update delay in turn, we found the optimal matching between the period of the signal and the delay time of the traffic lights so as to the perfect velocity and the flow of the model are attained

    在此基礎上,建立了一維二速主幹道模型,該模型模擬了城市交通中一條主幹道的交通情況,在交叉口處設置紅綠燈,通過計算機模擬,首先,在交通燈信號同步更新的條件下,研究模型在改變車輛的初始密度、轉向概率、交通燈個數、紅綠燈信號的綠信比、紅綠燈信號周期等各種情況下主幹道的速度、流量的變化,根據模擬結果提出一些改善交通的有效措施;其次,在交通燈信號依次延遲更新的條件下,研究模型在參數道路長、紅綠燈綠信比、交通燈個數、車輛的初始密度給定的情況下找到紅綠燈信號周期和延遲時間的最佳匹配使得主幹道的速度、流量達到最理想的值。
  13. Hebei qingxian yanhe instrument co., ltd., founded at the beginning of 1990s, is a professional manufacturer for fabricating the measurement instruments made of glass and the petrol measurement instruments with powerful technology, advanced equipments and perfect test facilities. the company got the measurement instrument style approval, manufacture license and ccc certificate in 1993. the certificate number is 2002 laingzhijizi 09000123

    河北省青縣燕河儀器儀表有限公司,創建於九十年代初,是生產玻璃計器石油計量器具的專業廠,技術力量雄厚,生產設備先進,檢測設備全,一九九三年通過了計量認證產品型式批準和計量器具製造許可證,證號2002量制冀字09000123號,該公司以優質的產品,良好的服務,深受國內外用戶的信賴和滿意,現已發展成為國內首屈一指的石油計量器具生產廠家,產品供不應求,暢銷全國各地並出口俄羅斯蒙古等國家和地區。
  14. " a big problem with kieron was his hamstrings and while michael is having rehab on the knee, making sure that it is perfect, it is also an opportunity for him to look at the hamstring problems he has had over a number of years

    "代爾最大的問題是他的腿筋,然而邁克爾正在修復他的膝蓋,確保完好,困擾他多年的腿筋問題也有機會治愈
  15. Over the years, the theater has handled and accomplished a large number of domestic and foreign entertainment parties and the design and production of tv video recording s dance, light and acoustics. in addition, a comprehensive top service system including perfect stage, rehearsing and performance management system is available

    劇院承接並完成了大量的國內外各種大型文藝晚會及電視錄像的舞美、燈光、音響的設計製作,並提供完善的裝臺、排練及演出管理一條龍優質服務系統。
  16. The reasons are : the first, small and medium enterprises adopt low - cost strategy in the logistics, as a result, they could not make money, so when in the event of loss makes their mutual eroded ; the second, the legal system is not perfect and can not be binding contract speculative behavior ; the last, the existence of a large number of small and medium enterprises in the market logistics, the alternative of their partners is more

    作者認為中小tpl企業之間合作彼此的約束力弱,由於法律的不健全、合作夥伴之間的可替代性高,所以投機行為發生的機率高,因此,在聯盟內部只有通過對成員企業進行「信用度」管理,加大對違約和投機行為進行商譽、發展空間等方面的懲罰,才能使所有成員企業認真對待其在聯盟中的責任。
  17. The simulation result shows that the motor - vehicles modals of corsim and simtraffic can apply to beijing, but the models of pedestrian and bicycles are not perfect when the total number of pedestrians and bicycles reach 1150 ( bikes peds / h )

    但行人、自行車模型不能完全準確的描述交叉口的運行狀況,當每小時行人、自行車的總流量大於1150輛人小時時,模型的模擬結果與實測數據間有大的偏差,相對誤差最高達到88 。
  18. The high research degree of physical geology, hydrogeology, engineering geology andenvironmental geology in suxichang area, makes large number of achievements and dataduring many years accumulated. however, no full application of these data andachievements mainly result from failing to establish a perfect computer informationautomatic management system, which makes it difficult and puzzled to search these dataand results effectively. large effort research shows that the main reason of suxichangarea ’ s land subsidence is due to excessive exploitation of groundwater

    本文以蘇錫常實地數據為基礎,系統分析了arcgis平臺下建立「蘇錫常地區地面沉降管理信息系統」的可行性,提出了系統總體設計方案、開發模式和實現方法,並結合地面沉降專題研究的特點,制定了數據庫組織與設計框架;同時,在對系統應用模型進行詳細分析基礎上,確定了專業應用模型庫的建設方案及實現方式,並利用arcobjects ( ao )進行了系統編程。
  19. A brief introduction of cassia plaza hotel in kunming city cassia plaza hotel is a three - star hotel open to foreign tourists, built with the fund offered by yuxi red tower aggregation. located at the crossroad of dianchi road and xiyuan road, the hotel enjoys a golden position, for its traffic condition is perfect it can be reached within one minute from fuhai overpass at the second ring - road, and it takes just 10 minutes to get to the airport and train station, and what s more, one can get to dianchi national tourism holiday zone and yunnan ethnic village within 20 minutes by traveling southwest along dianchi road ; besides, one can reach the city s center by taking more than 10 different number of buses at their bus stops existing on xiyuan road, southern ring - road and western ring - road just near the hotel itself

    昆明桂花大廈是玉溪紅塔集團投資興建的三星級旅遊涉外酒店,位於昆明市滇池路與西園路交叉口的黃金地段,出行旅遊的交通條件十分便利:從二環路的福海立交橋下來1分鐘即可到達,酒店距飛機場和火車站也僅需十多分鐘車程,沿著滇池路往西南方向,十多分鐘就可到達著名的滇池國家旅遊度假區和雲南民族村從酒店向東北面,環城西路環城南路西園路有10多路便捷的公交線路讓您只需十分鐘就可進入昆明市中心的繁華商業區。
  20. When calculate the correlation function of binary array pairs, using the boolean calculation instead of the decimal multiplication, using the method of count the number of 1 in binary integer to calculate the correlation function of binary array pairs, the speed of searching is obviously improved by these methods. by the algorithm introduced in this paper, the constant weight and normative perfect binary array pairs whose volume from 4 to 28 and quasi - perfect binary array pairs whose volume from 2 to 24 were searched and gi ved the new result

    此外,採用二進制整數來表示陣列,通過對整數的邏輯運算來實現陣列偶的移位變換、完全采樣變換等運算;在計算二進陣列偶的相關函數時,用整數的邏輯運算代替十進制中的乘法運算,並用計算二進制整數中1的個數的方法來計算二進陣列偶的相關函數,以上方法的採用明顯地提高了搜索速度。利用上述演算法,對體積為4 28的等重規范型最佳二進陣列偶和體積為2 24的準最佳二進陣列偶進行了搜索,並給出了新的結果。
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