wind variation 中文意思是什麼
wind variation
解釋
風變化-
4 variation of head wind for arriving flights
抵達航機遇到的逆風變化 -
Fig. 2 variation of head wind with height
圖二逆風與高度變化 -
The variation of wind speed dominates the variation of latent heat flux eventually
感熱通量的變化主要由海氣溫差的變化主導。 -
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風、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變時呈拋物線分佈，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，對風速v 、散熱量q進行的研究表明，當風速超過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。 -
Originating airport name, metar speci issue time, wind direction speed gust, wind direction variation, visibility, runway visual range, weather during time of observation, cloud, air temperature dew - point, qnh pressure measured at airport with adjustment made to suit aeronautical use, weather during the past hour but not at time of observation, wind shear information, trend - type landing forecast
發出資料的機場名稱發出metar speci的時間風向風速陣風風向轉變能見度跑道視程觀測時的天氣雲層氣溫露點qnh在機場錄得的氣壓，經調整以配合航空用途過去一小時但非觀測時的天氣風切變資料飛機降落用的趨勢預測。 -
Originating airport name, metarspeci issue time, wind directionspeedgust, wind direction variation, visibility, runway visual range, weather during time of observation, cloud, air temperaturedew - point, qnh ( pressure measured at airport with adjustment made to suit aeronautical use ), weather during the past hour but not at time of observation, wind shear information, trend - type landing forecast
Metarspeci電碼包含趨勢預測，即預測未來兩小時內天氣的轉變，而且更利用特別標號（視乎情況，標號可以是ttttt = becmg或tempo ）又或是nosig ，來指明轉變。 （ becmg意指逐漸轉變； tempo意指間中； nosig意指並無顯著轉變。 ） -
It is found that the climatological mean of wind speed and air - sea humidity difference are both large, the variation of wind speed are almost in phase with air - sea humidity difference, yielding much larger or smaller latent heat flux. so the ocean release the most latent heat in its own winter of the two hemispheres when both wind speed and air - sea humidity difference are large
發現在南北兩信風區，風速和海氣濕度差的變化幾乎是同位相的，平均背景風速和海氣濕度差都較大，他們互相加強彼此對潛熱通量變化的貢獻，所以海洋潛熱損失最大是發生信風南北兩區的各自風速和海氣濕度差都較大的冬季。 -
In the region north of brazil, although both wind speed and air - sea humidity difference have dramatic variations, the variation of latent heat flux is just ordinary in magnitude. the reason is that the variations of wind speed and air - sea humidity difference are out of phase with each other so that they decrease each other greatly
在巴西以北的暖水區，盡管海氣濕度差的變化和風速的變化都較大，但二者在區域內總是反相，彼此削弱了對潛熱通量變化的貢獻，所以該區潛熱通量的變化振幅較小，最終由風速的變化主導潛熱通量的變化。 -
Reference crop evapotranspiration ( rce ) characterized by its nonlinearity and multi - time scale feature, may vary with the change of time under the influence of stochastic variation of meteorological factors such as temperature, sunlight, wind speed, vapor pressure and so on
摘要受氣溫、日照、風速、水汽壓等因子隨機變化的影響，參考作物騰發量時序過程具有非線性、多時間尺度變化等特性。 -
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 、小波分析、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進行了分析，以試圖尋找三者異常之間可能的聯系，主要結論如下： （ 1 ） 1976年前後，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年前，拉尼娜事件發生頻率高，持續時間長，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，持續時間長，強度增大，事件起始於正海溫距平。 -
Influence of parameter variation on ventilation during reversing wind manoeuvre in mines
自然風壓在礦山通風中的應用 -
A portable wind cable can be measured in a variety of circumstances, not by the winds of change cable circumstances measuring wind cable tension ; both of arbitrary moment of absolute tension cable wind, the wind can monitor cable tension variation ; construction equipment to the wild environment ; lightweight structures, the demolition convenient, simple measurement ; the intelligent measurement mode, can provide a wide range of choices rope specifications directly measured wind cable tension that the absolute need for conversion, and misoperation automatic alarm functions, measurement more convenient, direct, accurate and high degree of automation
一種便攜式纜風測力器可在各種施工環境下，在不改變纜風受力的情況下測量纜風張力；既能測量任意時刻纜風張力的絕對值，又可監測纜風的張力變化；裝置適應野外施工環境；結構輕巧、安拆方便、測量簡捷；在智能化測量模式下，能夠提供多種鋼絲繩規格的選擇，直接顯示被測纜風張力的絕對值，無需換算，並有誤操作自動報警功能，測量更加方便、直接、準確，自動化程度高。 -
In this dissertation, wind, vehicle and bridge are regarded as an interactional coupling vibration system., in the analysis model of the system, many factors are considered in detail, such as the fluid - solid coupling interaction between wind and bridge, the solid contact coupling interaction between vehicle and bridge, the stochastic wind load of vehicle, the time variation characteristic of the system induced by train movement
本文將風、車、橋三者作為一個交互作用、協調工作的耦合振動系統，較全面地考慮了風橋間的流固耦合作用、車橋間的固體接觸耦合作用、風對車的空間脈動作用及整個系統的時變特性。 -
We found that the summer climate of north in arid region becomes better, speed of wind in low level deducing, so does the climate south in arid region, which shows that the regional climate is affected by lulc variation sensitively and proved that the proper land use is of significance for mitigating the global warming and for ameliorating the deteriorated ecological environment
結果表明我國西北乾旱區近地面風速降低，氣候狀況有所改善，同時對我國南方的氣候狀況也有影響，揭示了氣候狀況依賴于地表植被變化的敏感性，也進一步證實了下墊面植被在調節氣候狀況方面的重要性以及合理的土地利用對于緩和全球變化的強度和尺度、減少風沙和乾旱等氣候災害、改善日益惡化的生態環境方面的重要意義。 -
The long distance transport of pollutant from the direction of se, ene and etc, has some influences to the variation of surface o3 over waliguan, due to the short life of precursors, and the long distance between two sites as well as the weak photochemical reaction over this area, the influence of wind direction is not so important
（ 7 ）在se 、 ene等東北方向上污染物（ no _ x等）的長距離水平輸送對瓦里關地面o _ 3具有一定的影響。但由於o _ 3前提物在大氣中的壽命較短，兩地又相距較遠，而且瓦里關地區光化學反應很弱。因此，水平風向對地面o _ 3影響不大。 -
( 3 ) during the 1997 / 1998 el nino we find western pacific warm pool ( wpwp ) sst variation, abnormal west wind, eastern pacific warm pool ( epwp ) sst variation and abnormal north wind are associated with the nino3 index change
（ 3 ）在1997 1998elnino事件期間，西太平洋暖池海表溫度變化及異常西風和東太平洋暖池海表溫度變化及異常北風兩者都與nino3指數變化密切相關。 -
In equatorial region, the mean air - sea humidity difference is much smaller, so the variations of air - sea humidity difference under large mean wind speed dominate the variations of latent heat flux. the ocean release the most heat during the period from march to may, when sst is highest in the whole year because sst dominates the variation of air - sea humidity difference
在赤道冷舌區，平均的背景海氣濕度差比較小，所以平均風速背景下的海氣濕度差的熱帶大西洋海表潛熱和感熱通量的季節和年際變化研究變化主導該區的潛熱通量的變化。 -
Based on the observation data such as coads and soda, the main climatological features of the tropical indian ocean and relationships of sea surface temperature ( sst ), heat budget with ocean dynamics and thermodynamics processes are analyzed ; the seasonal and interannual variability of the tropical indian ocean are well simulated using a ocean general circulation model ; based on the thermal equation and model output data, the variation mechanism of sst and heat budget are investigated in the tropical indian ocean ; besides, the effect of seasonal variation of wind stress, ekman pumping and horizontal diffusivity on the ocean current and heat budget are studied, using both ideal model and complex model
本文根據coads 、 soda等實際觀測資料，較全面的分析了熱帶印度洋主要的氣候特點，並研究了海表面溫度（ sst ） 、熱收支與海洋動力、熱力過程的聯系；利用全球海洋環流模式較好地模擬出熱帶印度洋的季節和年際變化；基於熱力學方程和海洋環流模式輸出結果，探討了熱帶印度洋sst和北印度洋熱量收支的季節和年際變化機制，進一步揭示了海洋動力過程在北印度洋熱平衡中的重要作用；在此基礎上，利用理想化的數值試驗與數值模擬結果相結合的方式，證實了風應力的季節變化和ekman抽吸，以及水平熱量擴散系數對北印度洋海洋環流和熱收支的影響。 -
And also the biological parameters and the climatologic data, such as the wind variation, irradiance, net heat flux, need to be improved to get a more realistic result
另夕，極型奶姑物衛11條什所采川rl勺風場、光以z引l收、熱皿得、蒸發。 -
Wind variation around the hong kong international airport
香港國際機場附近氣流變化的影像
分享友人