長前進波 的英文怎麼說

中文拼音 [zhǎngqiánjìn]
長前進波 英文
long progressive wave
  • : 長Ⅰ形容詞1 (年紀較大) older; elder; senior 2 (排行最大) eldest; oldest Ⅱ名詞(領導人) chief;...
  • : Ⅰ名詞1 (在正面的) front 2 (次序在先的) first; top 3 (過去的; 較早的) ago; before; preceding...
  • : 進構詞成分。
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  1. With account for the effect of temperature and shock - boundary layer interaction, the forebody / inlet with plane lip and wedge lip are designed by using the design methods of constant shock wave intensity and constant shock wave angle. in the design, the incidence angle of the first ramp, height of isolator, length of forebody and total turning angle of the designed forebody / inlet models are given

    另外,根據優選結果,給定度、體預壓縮楔角、總壓縮轉角及隔離段高度,分別用等激強度和等激角度的方法設計了唇口平直和唇口帶楔角的氣道。
  2. Based on consider hereinbefore, this dissertation discusses several aspects on the problem of the sustainable and optimum exploitation of groundwater resources as follows : ( 1 ) reviewed entirely the origin and evolvement of the concept " sustainable development ", stated and commented the study status in queue on " sustainable development " around national and international range, thorough discussed the science connotation about the concept " sustainable development " ; ( 2 ) looked back and commented across - the aboard some furthest basic concept and proposition related to groundwater resources, put forward self opinions on a few existent mistake points of view and chaos understandings ; ( 3 ) expatiated entirely on the content and meaning of the theory of changeable groundwater resources system, contrast with the traditional methods of groundwater resources calculation and evaluation, combined example to show the application of this theory ; ( 4 ) thorough analyzed the difficult and complexity to forecast the groundwater resources, fully stated the traditional methods of groundwater resources forecasting, pointed out the characteristic and applying condition of these forecasting method, introduced the main ideas and methods of wavelet analysis developed recently, and the matlab software be known as the fifths era computer language, and its accessory wavelet analysis toolbox, applied these methods and tools to analyze the groundwater dynamic curve, adopted the b - j method and morte - carlo method, combined with the theory of changeable groundwater resources system, discussed the new view on the forecast of groundwater resources ; ( 5 ) synthetically analyzed the characteristics and limitations of the present all kind of groundwater manage model, combined mathematical programming mathematical statistics random process and the theory of variation system of groundwater resources on the unite optimum attempter of surface water and groundwater, emphasized how to make the model more nicety, more simple, more practicality ; ( 6 ) analyzed the inside condition and outside condition to assure the sustainable and optimum exploi tation of groundwater resources, the inside conditions are the follows : correct resources idea, scientific methods of resources calculation and evaluation, credible forecast methods of resources, exercisable measures of resources management, the outside conditions are the follows : the development idea of high layer, the transform of manage system, the matched policy and rule of law, the adjusted of economy lever, the improve of cultural diathesis, the boosting up of water - saving consciousness and detail measures, the control of population rising, the prevention and cure of water pollute, the renew and rebuild of ecology ; ( 7 ) scan the sustainable and optimum exploitation of groundwater resources from the high level of metagalaxy, earth system science, and philosophy ; lint out the more directions on groundwater resources

    基於以上考慮,論文主要從以下幾方面對地下水資源可持續開發問題行了比較深入的探討:全面回顧了「可持續發展」概念的由來與演變,對國內外「可持續發展」的研究現狀行了述評,並對「可持續發展」概念的科學內涵行了深入探討;對涉及地下水資源的一些最基本的概念和命題行了全面的回顧和評述,對目仍然存在的一些錯誤觀點和混亂認識提出了自己的見解;全面闡述了地下水資源變值系統理論的內容和意義,並與傳統的地下水資源計算評價方法行了對比分析,結合實例具體說明了方法的應用;深入分析了地下水資源預測預報工作的極端重要性和復雜性,對傳統的地下水資源動態預測方法行了全面的評述,指出了各類預測預報方法的特點及適用條件,對最近二十多年剛發展起來的小分析技術的主要思想和方法及其應用范圍,以及號稱第五代計算機語言的matlab軟體和附帶的小分析工具箱行了介紹,並應用於地下水動態過程線的分析,採用時間序列中的b ? j法,蒙特卡羅方法,與地下水資源變值系統理論相結合,探討了地下水動態資料分析和地下水資源預測預報的新思路;綜合分析了現今各類地下水管理模型的特點及缺陷,將數學規劃、數理統計、隨機過程等與地下水變值系統理論相結合行地表水地下水或多水源的聯合優化調度,使模型更準確、更實用;對保證地下水資源可持續開發的內部條件和外部條件行了分析,內部河海人學博卜學位論文言、摘要、目錄條件主要是正確的資源觀,科學的資源計算與評價方法,可靠的資源預測預報技術,可操作的資源管理措施,外部條件主要是高層發展思路、管理體制的變革、配套的政策法規、經濟杠桿的調節、人文素質的提高、節水意識的增強及具體節水措施、人口增的控制、水體污染的防治、生態的恢復和重建等;從宇宙科學、地球系統科學及哲學的高度審視地下水資源的可持續開發;指出了地下水資源可持續開發的一步研究方向。
  3. The most outstanding function of this wheelchair is its height which can be regulated with user ' s requirements. this function helps expand the user ' s available space, supplement the user ' s body defect and reduce the caregiver ' s burden. it get more improved than previous products. besides, the wheelchair has designed both manual and eletric mode. on one hand, it can save user ' s energy and power, on the other hand it won ' t leave users hopeless in case of powering off and relieve the user ' s worriness. in addition, the bigger basket on the tail part of the wheelchair provides the great convenience for user ' s carrying goods. multiangular back and height - regulated pedal add comfortableness to users. the minidesk with the wheelchair is very convenient for users to read, write and do other things

    本設計的多功能輪椅最突出的一個功能就是座位的高度可以根據使用者的需求隨意行調節,這樣就可以大大擴展使用者的操作空間,補充了使用者在身體上的缺陷,也可以減輕照顧人員的工作負擔,比起以的產品有了較明顯的改;其他功能還有輪椅的手動電動兩種驅動方式,這樣可以解決老年人和殘疾人在體力上存在的問題,同時在外出時遇上沒電的情況也不至於顯得無能無力,消除了使使用者在途奔時的顧慮;此外位於輪椅尾部的超大儲物筐,給使用者攜帶物品帶來了極大的方便,靠背的多角度調節,腳踏板的高度調節大大增加了使用者的使用舒適度,輪椅上小桌的設計給使用者讀書,寫字,行其他活動帶來了極大的方便。
  4. It can move forward, backward or brake depending on the undulatory motion of the flexible fin

    它依靠柔性鰭的動運動來實現載體的、後退、制動等各種機動動作。
  5. And more aperture extension is achieved in this novel esprit - based two - dimensional angle estimatio n scheme using a uniform rectangular array of vector hydrophones spaced much farther apart than a half - wavelength. this proposed scheme and the attendant vector - hydrophone array outperform a uniform half - wavelength spaced pressure hydrophone array with the same aperture and slightly greater number of component hydrophones by an order of magnitude in estimation standard deviation

    結合實際的應用情況,對矢量水聽器構成的陣列行了初步的探討,利用本文面部分所分析的基於單矢量水聽器的方法,實現了陣元間距突破半上限的局限,並解決了角度估計的循環模糊問題,以較小的硬體代價和運算代價實現陣列孔徑的擴展,提高估計精度。
  6. Rmb deposit and loan interest rate float block expands gradually, and progressively move towards marketization day by day. part iii : on the basis of using the experience and lessons of the change of interest rate in other countries for reference in course of the interest rate marketization, it is believed that there should be a course of raising up slightly in the interest rate in the early stage. but the market fluctuations it causes will not be too much ; according to actual operation result and a medium or long term of the reform, foreign currency interest rate has already drawn close to international interest rate competence progressively ; viewed from a short time, rmb loan interest rate total competence will tend towards dropping, some loan interest rate may rise ; the interest rate of the deposit will raise up unilaterally

    總體而言,發展中國家的存貸利差要高於發達國家;第二部分:在總結幾年利率改革包括市場化改革的基礎上,認為,迄今為止,我國利率市場化改革的程度總體上還比較低:同業拆借利率、貨幣市場債券回購利率、現券交易利率、外幣貸款利率、大額外幣存款利率等已完全市場化或基本市場化,人民幣存貸款利率的浮動區間已逐漸擴大,並已漸的方式日益走向市場化;第三部分:在借鑒境外利率市場化過程中利率變動的經驗教訓的基礎上,認為在我國利率市場化的初期,利率應該有一小幅上揚的過程,但是其造成的市場動應該不會太大;從改革的實際運作結果和中期來看,外幣利率已經逐步的向國際利率水平靠攏;從短期來看,人民幣貸款利率總水平將趨于下降,部分貸款利率有可能上升,存款利率將會單邊上揚。
  7. Elsewhere, the euro remained steady against the major currencies, off earlier highs in narrowly ranged trade, with markets watching comments from a meeting of euro zone finance ministers and central bankers to assess levels of concern over the euro ' s strength

    歐元兌主要貨幣仍然持穩于盤中,略低於早盤高點並在低點附近宰幅動,目市場關注的焦點于歐元區財會議及央行發表的言論來評估歐元一步的走勢。
  8. A number of statistical and analytical works have been done by the institutions such as thethird shipping affair engineering and relonnissanle design institue of ministry of communications, hohai university, yangize valley water hudroprower planning and institule, nanjing hydraulic research institute and so on [ 25 - 30 ]. in 1993, the correlation analyses based on the data from the short - term situ - observation at near sea - route of the yangtse river estuary and the ship - stations were carried out to deduce the wave factors used in the engineering design

    交通部第三航務工程堪察設計院、河海大學、江流域水利規劃設計院、南京水利科學研究院等單位曾作過不少統計和分析工作[ 25 - 30 ] ,在九十年代期,人們曾根據江口深水航道或附近短期實測資料與引水船站行過相關分析,而推算出設計要素。
  9. Hydraulic pile hammer is one of the pile driving machines that drive prefabricated piles into the ground in the construction of pile foundation such as construction, bridge, dock, etc. with the development of science and technology, the prefabricated pile driving machines evolve from block hammer, steam - hammer, diesel hammer to hydraulic hammer. hydraulic pile hammer is one of ideal prefabricated pile driving machines because it can adjust stress waveform, decrease stress peak value, prolong effectual action when it drives piles. hydraulic pile hammer is used widely and formed series in developed countries now

    液壓打樁錘是用於建築、橋梁、碼頭等樁基礎施工中打入預制樁的樁工機械。隨著科學技術的步,預制樁施工機械由落錘、汽錘、柴油錘,發展到了液壓打樁錘。用液壓打樁錘打樁,可以調整撞擊應力形,減小應力峰值,延有效作用時間,是一種比較理想的預制樁施工機械,目在發達國家已被廣泛使用,並形成了系列化。
  10. General in biochemical analyser test process, firstly, use biochemical reactions hin color response to statistical samples in a particular wavelength solution with the greatest absorption peak, and then use ultraviolet and visible spectroscopic measurements to test the absorbency of material to the specific wavelength, the final adoption of bill law to calculate the corresponding material concentrations

    由於利用了以上先技術,儀器的測量速度和精度都有了大大的提高,目新型生化分析儀0 . 2秒即可完成一個樣本點的測量,並已經成功實現了雙測量法,提高了測量結果的精度。
  11. Data used in this work are north pacific ssta, 160 stations precipitation of china, and ncep reanalysis data. main results are as follow : ( 1 ) it is found that a apparent transition of north pacific ssta in later 1970 ' s : eastern and middle - equatorial pacific ssta turns from cold to warm with area extending, and mid - latitude pacific ( west wind drift zone ) turns from warm to cold. during this transition of ssta, different characters also appear in el nino and la nina : before 1976, la nina happens more frequently, and its duration is longer, el nino zone develops from negative ssta in the early stage ; after 1976, el nino happens a little bit frequent and longer with more intensity than before, el nino zone develops from positive ssta in the early stage ; the course of ssta variation has an enso cycle of 2 - 6 years, annual oscillation of 8 - 9 years, and decadal variation of about 22 years

    本文採用1950 - 1999年北太平洋海表溫度( sst ) 、中國160站夏季降水和ncep再分析的歐亞500hpa高度場等資料,利用eof 、 svd 、小分析、合成分析和相關分析等方法,在分析北太平洋海溫時空分佈特徵的基礎上,著重探討了海溫異常及其年代際變化對我國東部降水的影響,並對降水、高度場和海溫三者之間的關系行了分析,以試圖尋找三者異常之間可能的聯系,主要結論如下: ( 1 ) 1976年後,北太平洋海溫經歷了一次明顯的轉變,赤道中、東太平洋厄爾尼諾海區由冷轉暖,暖水范圍增大,中緯度西風漂流區海溫由暖轉冷;在這樣的年代際背景下,厄爾尼諾、拉尼娜事件在不同的時期也有不同的特徵:在76年,拉尼娜事件發生頻率高,持續時間,事件起始於負海溫距平;而76年後,則是厄爾尼諾事件發生頻率略高,持續時間,強度增大,事件起始於正海溫距平。
  12. The principle of vibrator is to introduce scattered energy to underground in a comparatively long time, and collect the energy through correlation and compress it into a narrow pulse. the portable high - frequency vibrator system, developed by key lab of geo - exploration and instrumentation ( jilin univ ), ministry of education, generates chirp signal and accumulates energy through a long - time bestiring. according to the characteristics of vibrator, the seismic recorder that operates on - line with vibrator must have these functions as follow : first, it must have the ability of recording a great quantity of data. second, it must have assistant channels to sample reference signal. third, it must have the function of data correlation in real - time

    可控震源利用可控的小能量、時間激發來實現沖擊震源瞬時產生的大能量激發。在利用可控震源行地震勘探時,要求地震儀時間記錄地震信號,這對地震儀的采樣度提出了很高的要求。受存儲量和數據傳輸速度的限制,絕大多數地震儀很難對如此大的數據量行記錄,同時,可控震源要求地震儀有兩個輔助通道並且具有數據相關功能,目國內還沒有出現滿足要求的地震儀產品。
  13. Because china can not sustain its population by its own oil - seed supply and its oil - seed processing out - reaches oil - seed supply, china will be taking the strategy that more oil - seed be imported to process oil to support the domestic market and even to export oil to the world market, which means that china will be importing more oil - seed after joining wto, but this is not necessary the case with the plant - oil importing

    由於國內油料產量不能夠滿足自身的需求、油脂行業存在較大的相對剩餘生產加工能力,所以在中期內中國將採取「口油料加工油」的策略:即油料的口一定會繼續逐年增加,而油脂的口將會徘徊在目的水平或僅有小幅動,以調節國內餘缺。
  14. 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,對具有誘人應用景的柱形垂直腔面發射結構( vcsel )的微腔半導體激光器( mcsl )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;對圓柱形結構情況行了數值模擬,得到了振蕩、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行了討論。
  15. Although the rfc of mts systems corporation is a general methods to process road simulation test all over the world, it contains two disadvantages as follows : 1. before the fatigue test, it will take a long period to carry through the off - line iteration to acquire a series control values

    雖然美國mts系統公司的rpc方法是目國際上行道路模擬試驗普遍採用的方法,但它存在如下問題: 1系統入正式的試驗之,要用較的時間行離線迭代運算獲得控制量序列,逐步逼近給定的隨機形。
  16. The e-vector makes one complete rotation as the wave advances through one wavelength.

    了一個之後,E矢量轉了一整周。
  17. In this paper, we summarize the present testing level of optical aspheric surface, expound the principle of laser wavelength scanning interference testing method, and analyze the laser that can be tuned, and we also study the change of wavelength. further more, we achieve the elementary design of experiment device, curtly introduce the method for interference fringe processing and image processing by matlab

    本文對目國內外的光學非球面的測量現狀作了概略的敘述,給出了激光掃描干涉測試方法的原理,對可調諧的激光光源行了分析,對激光器的變化行了研究,對實驗裝置行了初步的設計,對干涉條紋圖處理方法行了研究,並通過編寫matlab軟體語言對干涉圖行了數字化處理。
  18. In this paper, we summarize the present testing status of optical aspheric surface, expound the principle of laser wavelength scanning interference testing method, and analyze the laser that can be tuned, and we also study the change of wavelength. further more, we achieve the elementary design of experiment device, and curtly introduce the method and principle for interference fringe processing

    本文對目國內外的光學非球面的測量現狀作了概略的敘述,給出了激光掃描干涉測試方法的原理,對可調諧的激光光源行了分析,對激光器的變化行了研究,對實驗裝置行了初步的設計,並對干涉條紋圖處理的方法和原理行了簡單的介紹。
  19. They comfortably sleep 33 crew and can carry 100 passengers. the workhorses of the modern flotilla are the rugged damen class launches. the main engines of these 26 - metre vessels can push them through the permanently choppy waters of victoria harbour at 24 knots. they also have special loitering engines that can run on very little fuel to keep the craft patrolling slowly and efficiently in one area, holding her steady against currents, winds and tides

    26米,堅固耐用的達汶類型船是這支現代化船隊中一種基本船隻,它們的主發動機可使船隻以時速24海里在濤洶涌的海上,它們並配備特別的發動機,只需要很少燃料便可讓船隻在一個地點緩慢而有效率地巡邏,同時令船隻在水流、大風和潮汐中保時穩定。
  20. The e - vector makes one complete rotation as the wave advances through one wavelength

    了一個之後, e矢量轉了一整周。
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