plane wind 中文意思是什麼
plane wind
解釋
行星風-
The plane bucked a strong head wind.
飛機頂著強風飛行。 -
Through performing six experiments by means of a beta - plane quasi - geostrophic model and a high resolution f - plane quasi - geostrophic model, the effect of initial tangential wind profile on typhoon ' s track and intensity is examined
用一個平面的準地轉模式和一個高解析度的f平面準地轉模式分析研究了不同水平廓線對臺風路徑和臺風強度的影響。 -
The plane bucked a strong head wind
飛機頂著強烈的逆風飛行。 -
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風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變化與熱成風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變大，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線性攝動分析及演變方程。 -
Because uav is smaller and lighter than normal plane, the miniature aerial rs system is easily effected by wind, its " stabilities of position and stance are not good. because the load of uav is so finite, the large professional aerial photogrammetry camera can not be installed
微型無人機遙感由於受到無人機平臺體積小、重量輕、任務載荷有限等因素的制約，在飛行作業中傳感器位置和姿態受氣流影響大、穩定性差，而且目前是非專業攝影機成像，這些都大大增加了其影像幾何糾正處理的復雜性。 -
Research on wind is the precondition of wind response, then the section plane of static wind, intensity of onflow, psd function and correlativity of dynamic wind are involved in
對風的研究是進行風振響應研究的前提，風的基本特徵包括平均風速剖面、湍流強度、脈動風功率譜密度函數、脈動風的空間相關性以及極端風速的概率統計特性。 -
The shear experienced by the departing aircraft was due to vertical shear as the plane passed through the low level jet. based on the winds measured on - board a flight departing 8 minutes earlier, there was a rapid increase in head wind component, from 13 kt at 1, 420 ft to 39 kt at 3, 100 ft
起飛的飛機所遇到的風切變是由於該機經過低層急流的垂直切變所引致，根據一架在8分鐘前起飛的航機量度到的風速，顯示逆風由1 ， 420尺的每小時13海里急速增加到在3 ， 100尺的每小時39海里。 -
How to choose proper modes is an boring issue. two kinds of large span roofs, one is rectangle plane - roof, another is dome - like roof, were investigated with wind tunnel
本論文分別以矩形平頂屋蓋和圓拱形屋蓋這兩種常見的屋蓋結構形式為研究對象，進行了比較細致的風洞實驗研究。 -
Using an ideal two - dimensional mhd model, this paper investigates the evolution of a pure flow velocity enhancement disturbance in the solar wind in the heliospheric equatorial plane ( 2 - d, 2 - component model ) and the heliospheric meridional plane ( 2 - d, 3 - component model )
摘要採用二維理想mhd模型，分別在日球赤道面（二維二分量模型）和日球子午面（二維三分量模型）內研究太陽風中純速度增幅擾動的演化。 -
All the researched results prove the era method is steady and suitable for those structures : spacecraft 、 beam - plane structure 、 truss structure 、 frame 、 bridge, etc. on the basis of the consideration of the above, the major job of the article is to discuss how to identify the parameters of the long - span structure with the method of era under the action of the wind loads
但是，國內外已有的相關文獻，對于下面的結構均進行了相關的研究，如航天器、梁板結構、桁架、框架、橋梁等。基於以上考慮，本文主要工作，就是探討在風激勵荷載作用下，如何用era演算法識別大跨空間網格屋蓋結構的模態參數。 -
Numerical models are frequently used to simulate water flow in hydraulic engineering. shallow water equations are basic governing equations with assumption of the velocity distribution uniformly in vertical, so they have some limitations on the simulation of some plane flows, such as wind - induced flow, curve river flow and flow nearby the submerged dikes. for above - mentioned reasons, extended shallow water equations are developed by introduction of momentum coefficient, correction of convection and bed resistance in equations of motion
在水利工程中經常需要採用數學模型模擬水流的流態，淺水方程是進行平面流態模擬計算的基本控制方程，但因其忽略了流速垂線分佈的不均勻性，在模擬某些平面流態（如風生流動、河灣水流、潛壩等工程附近的流動）時存在一定的局限性。 -
The analysis of wind - induced vibration response of the plane beam string structure
平面張弦梁結構的風致響應分析 -
The transit of the plane through the northwest - southeast squall line was uneventful, and the head wind changes were not particularly high
飛機順利飛過從西北走向東南的颮線，逆風的轉變也不算劇烈。 -
An experimental investigation on the transition in the boundary layer of horizontal plane with and without single two - dimensional roughness elements has been carried out in the wind tunnel. the distribution in normal and stream - wise directions of intensity of t - s wave excited by vibrating beam was measured in every condition. neutral curves were obtained by measuring the growth of the t - s wave at the normal critical location along the stream - wise direction
在風洞中對水平光滑平板以及加有粗糙元平板的邊界層轉捩進行了測量與研究，比較了不同情況下平板邊界層內由振動梁激勵生成的t - s波沿流向和法向強度的分佈規律，得到了相應的振型增長曲線以及中性曲線。 -
This paper discuss the effect of roughness coefficient on the tropical cyclone landfalling process using a idealized tc model developed from psu / ncar mm5 in the condition of quiescence and f - plane atmosphere. in order to understand the different influences of land and sea surfaces in the tc landfalling process, two kind of experiments had been designed : one for settled tc, the other for movable tc, and each kind consists four tests. the result indicates that the distribution of wind, precipitation, warm core and intensity of tropical cyclone has been changed obviously due to the effect of difference between the land and sea
本文利用bogus技術在psu / ncarmm5中加入了理想熱帶氣旋初始渦旋，在f -平面和無環境流場的理想情況下，設計了兩組靜態和動態試驗，通過控制試驗和不同粗糙度的登陸試驗，分別從空間和時間上探討了理想熱帶氣旋的登陸規律和分佈特徵，特別研究了邊界層中熱帶氣旋中心區域風場的垂直細致結構，並初步分析了其物理機制。 -
An experimental study on the aerodynamic characteristics of new concept car is conducted by model wind tunnel test, covering the pressure coefficient and wake vortices on longitudinal symmetry plane, as well as aerodynamic forces and moments under different yaw angles
摘要用模型風洞對新概念車在不同橫擺角下縱對稱面上壓力系數、整車氣動力和氣動力矩的變化以及縱對稱面尾部流態分佈進行了試驗研究。 -
In the twodimensional wind tunnel, systematic experimental researches were carried out on the phenomenon of reverse transition on a heated plane with stable density stratification
針對加熱平板表面密度分層結構中的逆轉捩現象，在二元風洞中進行了系統的實驗研究。 -
As the plane exited the storm into the prevailing southwesterlies, there was a rapid increase in both the head wind and updraught
其後航機飛出暴雨區進入盛行西南風帶時，逆風和上升氣流均迅速加強。
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