風變線 的英文怎麼說

中文拼音 [fēngbiànxiàn]
風變線 英文
wind-shift line
  • : Ⅰ名詞1 (空氣流動) wind 2 (風氣; 風俗) practice; atmosphere; custom 3 (景象) scene; view 4 ...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  1. 1. aviation meteorology : altimetry ; turbulence and wind shear ; aircraft icing ; route and aerodrome forecasts ; preparation of aviation weather documents

    1 .航空氣象學:包括測高學湍流及飛機積冰機場及飛機航天氣預報航空氣象文件的編制。
  2. The scielltific computational theories and methods on bird strike to the windshield of aircraft have been systematically studied and summed up in this thesis, such as fem comptltational principles and procedures to elastic dynamic problems under the conditions of small and non - linear finite deformation, 3d viscous elastic constitutive theory and incremelltal expression under the consideration of the rate effect of non - metallic materials like the aircraft windshield, and the numerical compatational principles and key constitutions for impact - contact dynamic subjects

    2 、系統學習並歸納總結了鳥體撞擊擋結構問題中的科學計算理論與計算方法。按照鳥撞問題數值計算方法逐步深入的思路,系統總結了小形結構動力學有限元數值計算方法、有限形的幾何非性有限元數值計算方法、粘彈性體非性形的本構物理關系;對于實施復雜結構有限元動力學計算的載荷增量方法提出了對newmark差分的改進以及進行材料與幾何非性數值計算的細致步驟。
  3. Second, we discuss the influence of environmental referance potential temperture and thermal wind on mesoscale symmetric instability. we find the expression of disturbance stream function and criterion of symmetric instability by analytical method and conclude that change caused by environmental referance potential temperture with height and thermal wind make critical richardson number and disturbance critical half - wave length of symmetric instability larger, that is to say, they benefit the occurance of symmetric instability. third, we study nonlinear perturbation analysis of mesoscale vertical circulation and evolution equation by means of f - plane. non - hydrostatic balance and filiter model

    第二,討論了環境位溫與熱成因子對中尺度對稱不穩定的影響。運用解析的方法求出了擾動流函數的表達式和對稱不穩定的判據,發現環境參考位溫隨高度的化與熱成因子使得對稱不穩定臨界理查遜數及擾動的臨界半波長都大,這有利於對稱不穩定的發生。第三,採用f平面、非靜力平衡、濾聲波模式,討論了中尺度垂直環流非性攝動分析及演方程。
  4. With the interreflection of huang mountain and hui culture as the clue, it shows the changing beauty of huang mountain, the tough life and the painting achievement of the xin an paint school master, jian jiang, and huang binhong, and the elegance of inkstick and she inkstone

    沿著黃山與徽文化交相輝映這一主,再現了黃山多之美,展現了新安畫派大家漸江、黃賓虹的雨人生和巨大的繪畫成就,以及徽墨和歙硯的精絕雅緻。
  5. The control system of furnace " s temperature has been widely used in every walk of life, as an important link of repair and manufacture of the electrical equipment such as electromotor transformer etc., soaking lacquer drying craft has some especial requests on drying crafto this article starts with the analysis of drying chamber " s configuration, analyzed its configuration limitation and control function limitation according to the factory " s situation and advances the conception of heated air drying circulation, in addition, this article adopts an intellectualize a / d module, a development sampling tuning - voltage circuit, and presents the method to measure online the insulation resistance of products in order to improve constantly products quality

    而浸漆乾燥工藝作為電機、壓器等電氣設備的修理、製造中的重要環節之一,對乾燥過程的質量要求有一定的特殊性。該文從乾燥爐的結構分析入手,聯繫到工廠的實際情況分析了結構功能缺陷和控制功能缺陷,提出了熱循環乾燥的概念,同時,選擇了較為先進的a d板卡、熱電阻信號調理板等專業化智能卡,運用數字pid控制技術,構成了一個較有特色的計算機控制系統。此外,該文還從保證乾燥品質量的角度,採用智能化交流模塊和自製采樣調壓電路的方法,提出了在檢測產修品的絕緣電阻的方法和手段,以確保企業產品質量不斷提高。
  6. Luffing : altering course toward the wind

    轉向:改航行路,使之面對向。
  7. This layer can serve as a large poncho, allowing you to meditate in peace in the forest, even during a heavy downpour. the windows can also function as sleeve openings, so that your hands can stretch out and move freely, as if you are wearing a raincoat - cum - windbreaker

    ,則成了袖口,雙手伸出活動自如,是一件衣兼雨衣,可以隨身高綁緊縮短,等車時遇雨馬上披上,甚至數個人可以一起避雨。
  8. The paper concludes that the changing rate of ndvi of rain forest in tropic is the smallest, the changing curve is smooth, while the changing rate of ndvi of the deciduous broad leaf forest in warm - temperate zone is the largest the change of ndvi is the most conspicuous in winter and spring ( especially in april ) while is not conspicuous in summer and autumn by analyzing the change of ndvi along latitude using the ndvi value of different vegetation types along the same longitude. the vegetation index from warm temperate zone to semitropical zone has obvious transition, while other areas have no distinct change by analyzing the change of ndvi from temperate zone to semitropical zone to tropical zone using ndvi averagejn the same time it is concluded that the sink value in the beginning of the year 1995 is from the influence of the monsoon in east of china by analyzing the ndvi curve of several typical needle leaf forests. the relation between ndvi value and temperature is conspicuous while the relation of precipitation is less or not by analyzing the relation between ndvi and temperature and precipitation finally it can get the conclusion that the change of river area is the smallest, the change of sienna area is the greatest by analyzing two phases of tm data in 1987 and 1997 with rs technic

    利用從同一經度的不同森林類型ndvi值分析,沿緯度方向ndvi化可得出, ndvi在冬春季化最明顯(尤其是在4月份最大) ,而在夏季和秋季化不明顯。利用ndvi均值進行分析,從暖溫帶到亞熱帶到熱帶的化情況發現,從暖溫帶到亞熱帶ndvi指數形成明顯的階躍,而其它區域沒有太大的化,同時對幾種典型的針葉林曲分析可知其年初的凹值源自於我國東部季的影響。利用ndvi數據分析其與月均溫度與降水的相關性得出與溫度相關性較為顯著,而與降水相關性不顯著或無相關性。
  9. It shows that the injection quantity and the difference of temperature distribute as a parabola which is at the same load, and the minimum of the parabola corresponds to the optimum quantity of injection ( g ). under the condition that the quantity of injected mass, the air speed and the heat quantity is respectively g, v and q, the research demonstrates that the pentium iv chip ' s temperature variation can be controlled under 40c and work normally when the wind speed overpass 1. 5m / s and the power dissipation of the chip is 60w. otherwise this paper calculates the flooding limit of thermosiphon with several different methods

    對其充灌量、散熱量、電子元件( cpu模擬晶元)表面與環境溫度之差及通、流速的影響進行了系統的測試,發現充液量與溫差的關系在負荷不時呈拋物分佈,其極小值點對應的充液量是最佳充液量g 。在充液量為g時,對速v 、散熱量q進行的研究表明,當速超過1 . 5m / s后,奔騰晶元在60w發熱條件下晶元溫度小於40 ,能滿足長期正常工作。
  10. Mz, a, sk, kg and sc / d ( ratio of the sum of silt and clay to sand ) of fluvio - lacustrine, palaeosols and aeolian sands constitute an interlocking, multi - fluctuation process curve with peak and valle y values : the < & value of mz, o and sk values often increase accordingly from aeolian sands to its overlying fluvio - lacustrine facies or / and palaesols, the kg value heightens, too, and the sc / d value also basically consists with its change steps

    河湖相和古土壤與成砂的mz 、 、 sk 、 kg以及sc d (粉砂粘土之和與砂的比值)構成一峰谷交替、犬牙交錯的鋸齒狀多波動過程:常常是由成砂至上覆河湖相或和古土壤, mz的值、 、 sk值相應增大, kg相應增高, sc d值亦與之化步驟基本一致。
  11. His body seemed to acquire an airy lightness, his perception brightened in a remarkable manner, his senses seemed to redouble their power, the horizon continued to expand ; but it was not the gloomy horizon of vague alarms, and which he had seen before he slept, but a blue, transparent, unbounded horizon, with all the blue of the ocean, all the spangles of the sun, all the perfumes of the summer breeze ; then, in the midst of the songs of his sailors, - songs so clear and sonorous, that they would have made a divine harmony had their notes been taken down, - he saw the island of monte cristo, no longer as a threatening rock in the midst of the waves, but as an oasis in the desert ; then, as his boat drew nearer, the songs became louder, for an enchanting and mysterious harmony rose to heaven, as if some loreley had decreed to attract a soul thither, or amphion, the enchanter, intended there to build a city

    他的身體輕飄飄的似乎象空氣一樣,他的知覺得非常敏捷,他的感官似乎增強了一倍的力量。地平在不斷地擴大,這不是他在睡覺以前所看到的那種在上空翱翔著的漠然的,恐怖的,陰郁的地平,而是一種藍色的,透明的,無邊無際的地平,彌漫著海的全部蔚藍色,太陽的全部光輝,和夏季的微的芬芳,然後,在水手們的歌聲里,那歌聲是這樣的響亮動聽,要是能把他們的樂譜記下來,就成了一首神曲,他看到了基督山島,這已不再是波濤洶涌中的一座嚇人的巖石了,而是象流落在沙漠里的一片綠洲。
  12. The ming dynasty used besides the technology of forefathers ' monsoon to make certain routes, the compass to gauide marching, they took a lot of records of the constellation oriented datas and the variety of the ocean orb ' s height in different oceanic areas in the book named < constellation chart of acrossing seas > too, which contribute a lot in the archaian astronomy

    明朝船隊除了採用前人季確定航、指南針導航等技術外,還在《過洋牽星圖》中紀錄了眾多的星宿定位數據和不同海區天體高度的化,對古代的天文導航有重要貢獻。
  13. Specially, based on risk - metric and factor variables, the author discusses multi - factor asset pricing model. in theoretical analysis, the author attempts to release the assumption of index ' s random walk, proves a portfolio selection model suitable for the linear index level moreover, based on assets un - exchangeable, the author brings forward asset pricing models for b - shares, h - shares and non - circulated - shares. the author also brings forward multi - factor asset pricing model based on risk - metric indices, such as coefficient of beta, standard variance, standard semi - variance, average absolute deviation, value at risk, and factor variables, such as circulated market equity, exchange ratio, short - term historical return

    在理論分析時,作者嘗試放鬆指數水平滿足隨機遊走過程的假設,推導出指數水平呈性趨勢的資產組合選擇模型;此外,作者基於資產不可交易這一假設,提出了b股、 h股和非流通股等情形的資產定價模型,並基於系數、標準差、標準半方差、平均絕對離差和險價值等險度量指標以及流通市值、換手率、短期歷史收益率等因素量提出了四因素資產定價模型。
  14. Bear away : to alter course away from the wind

    航向下:遠離向改航行路
  15. Under this frame, investor ' s property choice is transformed to linear programming question. sharpe, lintner, and black considered the market condition if all investors follow markowitz ‘ s definition of the investor, proposed the famous capital asset pricing model ( capm )

    我們注意到在capm之後關于證券定價的性模型朝著多因素模型的方向發展,假設條件的改使得定價中必須包含除系統性險以外的因子。
  16. Used for corundum bricks, mullite bricks, silicate bricks masonry in blast furnaces, hot air stoves

    用於高爐、熱爐砌築剛玉磚、莫來石磚、硅石磚、低蠕高鋁磚。
  17. Aiming at such problems in combustion system of homemade middle and miniature boiler, as a complex system with the character of dead zone, time variation, serious non - linearity, large time delay, coupling and a lot of disturbance, this paper presents a new set of optimal control resources. by using well - matched control method on system, stable automatic running is realized. having the serious divulgence coals difference a lot from each other in character, instability of chemistry, value of lowest emission of heat, home - made boiler controller is not at all ideal. instead of traditional model that controls the ratio based on proportional control or with the correct signal of the amount of oxygen, this paper, combined with intellect control theory - - fuzzy control and self - optimizing concept, propounded a kind of fuzzy self - optimizing controller to be used in air supplying system of the boiler, and expatiates on the idea of dividing the control process into two parts, dynamic and static to realize, thus meets the demand of homemade boiler economic running

    本設計針對國產中、小型電站鍋爐燃燒系統參數時、嚴重非性、干擾因素復雜、耦合嚴重、模型不易確定的特點,提出多量協調控制方案,解決了系統可控性差,難以實現穩定自動運行的問題;在此基礎上,改以往以煙氣含氧量控制送的傳統模式,針對國產電站鍋爐設備主體及一、二次送迴路泄露嚴重,煤種混雜、成分不穩定、燃燒發熱值低、燃燒效率不高等問題,應用智能控制理論中的模糊控制技術,結合自尋最優控制的思想,設計了一種模糊自尋優控制器,應用在電站鍋爐送控制系統上,並闡述了動靜態兩種實現途徑,通過在優化煤配比,實現最佳經濟燃燒,切實保障了鍋爐的經濟運行。
  18. The analysis of the large - scale synoptic situation shows that strong precipitation is closely related to the explosion of monsoon and the intensification of cross - equatorial flow which bring a lot of vapor and meet with cold masses at the eastern of northwest district on 8th, june causing extremely heavy rainfall ; that subtropical high - level jet at 200hpa, subtropical high at 500hpa and low - level jet at 850hpa are the weather backgrounds favorable to strong precipitation ; that the pattern of eastern highs and western lows and the establishment of a low - level jet and the coupling between upper - and low - level patterns that determine that the rain occurred in the east of the northwest china ( on average, this is the rainy season for the south of china, but not for the northwest china ) ; that water vapor comes from southerly and easterly flow which converge at the eastern of northwest district with convergence mainly in lower levels and pbl ; that the high value of the whole - level apparent heat source < q1 > is near the area of large rainfall in the direction of northeasterly - southwesterly agreeable to shear line very well and the condensation latent heat releasing is main heat source with vertical advection item playing key role in q1 and q2 ; that there is a vertical secondary circulation crossing low - lever jet whose ascending branch is at the area of large rainfall ; that the construction of convection instability and conditional symmetry instability results that there is not only deep thermal instability, but also moisture influx and triggering mechanism of thermal instability causing strong torrential rain

    作為對比,本文還對2002年6月24 - 25日發生在北京地區的強地形雨進行了分析,並討論陜南、北京地區兩地暴雨的異同點以及地形作用的共性和個性,為兩地暴雨預報提供有益的參考,得出了一些很有意義的結果: 1大尺度環流背景分析表明: ( 1 ) 「 02 . 6 」強降水與6月上旬越赤道氣流和季爆發密切相關,攜帶大量水汽的偏南氣流與冷空氣於6月8日交匯在西北地區東部,導致了這次強降水的發生; ( 2 ) 200hpa的副熱帶西急流、 500hpa副高以及850hpa的低空急流的配置非常有利於本文分析之陜西強降水的發展與維持。大尺度形勢分析表明,東高西低形勢場、低空急流的建立和高低空形勢的配置決定了這場降雨出現在西北地區東部。與暴雨區相聯系,存在一支橫越低空急流的經向垂直環流,暴雨區處于該垂直環流的上升支; ( 3 )偏南和偏東氣流水汽通道在西北地區東部交匯,水汽的輻合積聚主要在對流層低層和行星邊界層內完成; ( 4 )整層的視熱源< q _ 1 >高值區在暴雨區附近呈東北-西南向分佈,與切走向非常一致,降水產生的凝結潛熱釋放是強降水區大氣的主要熱源。
  19. The main relative systems of heavy - hard rainfall in northeast plateau are western pacific subtropical high, south asia high, low latitude systems, upper level jet ( ulj ), low level greater wind speed axes, westerly trough and plateau trough, low level vortex, cold frontal, occluded front in qinghai lake, mesoscale low pressure, heat low - pressure in qinghai, shear line and convergence line, mesoscale cloud cluster, etc. the west subsidiary model of south asia high is the main circulation type of heavy - hard rainfall in this area

    3 、西太平洋副高、南亞高壓、低緯系統、高空急流、低空大速軸;西槽和高原槽、低渦、冷鋒、青海湖錮囚鋒以及中尺度低壓、青海熱低壓、切與輻合、中尺度雲團等系統是高原東北部地區大到暴雨的主要相關系統。 100hpa上的南亞高壓中心強度加強,位置東西擺動預示高原地區將有降水產生,中心強度減弱,降水過程結束。南亞高壓西部副型是高原東北部地區大到暴雨的主要流型。
  20. Next came a heavier cord, then a rope and finally a wire cable composed of a number of strands of number ten wire which was the beginning of the new bridge

    那道橋建成了,就由一根開始從一根小小的,不可能的為可能。
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