湍下 的英文怎麼說

中文拼音 [xià]
湍下 英文
senoshimo
  • 湍 : [書面語]Ⅰ形容詞（湍急） rapid; rushing; torrential; swiftⅡ名詞（急流的水） rapids; rushing waters
  • 下 : 下動詞1. （用在動詞后,表示由高處到低處） 2. （用在動詞后, 表示有空間, 能容納） 3. （用在動詞后, 表示動作的完成或結果）
  1. This kind of turbulence is called clear - air turbulence

    但湍流也可發生在沒有雲的情況下，顧名思義這就是晴空湍流。
  2. The raging stream bickered down the valley.

    湍急的澗水嘩啦嘩啦地淌下山谷。
  3. A one - dimensional oceanic mixed layer model with the m - y level - 2. 5 turbulence closure schemes is employed. the rate of energy loss by breaking waves is estimated by parameterization and incorporated into the model as a source of turbulence kinetic energy ( tke ) by modifying the existing surface boundary condition of tke equation. the velocity field and turbulence energy budget are calculated under different forcing conditions ( the results given below are for a wind speed of 20 m / s. )

    採用一維2 . 5階湍封閉混合層模式，根據參數化方法對波浪破碎導致的能量耗散率進行了估計，通過改變湍動能方程的上邊界條件引入波浪破碎對湍動能生成的影響，計算了不同風應力強迫下的混合層流場結構和湍能量收支（下述給出的結果是取風速為20m s得到的） 。
  4. During each flight, the pilot made qualitative assessment of the severity of turbulence above the proposed runways and glide paths of the airport at chek lap kok

    在每次飛行中，飛機師均對赤角新機場擬設的跑道及下滑航道上空的湍流強度作出性質評估。
  5. Looking into the distance, one takes in sight a green sea of extending mountains and valleys. there are 3, 800 plants of 400 families in the region

    這些溪流有的急湍而下，有的依山縈繞，有的卻飛流成瀑，給壯麗的井岡山增添了無限風光。
  6. At the next instant, a youthful warrior passed between them, with a noiseless step, and seated himself on the bank of the rapid stream.

    接著，一個年輕的戰士腳步很輕地走過他們兩人之間，在急湍的小河邊坐了下來。
  7. Normally, turbulence disperses such pollutants quickly.

    正常情況下，湍流將迅速驅散這類污染物。
  8. The storm clouds and accompanying turbulence are now far below.

    風雲以及與之俱來的洶涌湍流現在都在它很遠的下空。
  9. The lower boundary of the region above which molecular diffusion dominates is 120 km altitude and is known as the turbopause.

    分子擴散佔主導地位的區域下界約在120公里處稱為湍流層頂。
  10. Without spinning or attack angle, the three dimensional interaction flowfield over projectile with lateral jets is numerically simulated successfully, and unified interaction flowfield with lateral jets and base bleed is also calculated

    在無旋轉、無攻角條件下完成了彈丸側噴三維干擾湍流流場數值模擬，並完成了彈丸底噴流-側噴流共同干擾流場的一體化計算。
  11. A transfer model is established, which can be used to study the interaction between the land surface physical processes of inhomogeneous region and the structure of atmosphere boundary - layer over urban and rural terrains. the model has simulated surface heat flux, surface temperature, temperature profiles, height of mixture layer and so on. and the differences between urban area, suburban area and rural area have been compared. this model mainly depends on the parameters below : surface albedo, surface roughness coefficient, moisture available coefficient of soil, thermal capacity and thermal diffusion coefficient of errain, cloudage. the result shows that this model can simulate the structure and eigenvalues of atmosphere boundary layer and their changes in a day. parameters used in this model aim at beijing city, and the time is at the beginning of september. to other cities, or other time, the parameters should be adjusted accordingly. in addition, being adjusted, the model can also be used for other homogeneous and inhomogeneous terrains

    模式主要依賴于以下參數和物理量：地面反照率下墊面粗糙度土壤的可含水量下墊面的熱容量和熱擴散系數雲量等參數。結果表明，本模式能合理地模擬不同地表熱量平衡地表氣溫混合層高度湍流交換系數湍流動能位溫廓線等，以及它們的日變化。該模式所取參數主要針對北京市，時間為九月初，對于其他城市，參數應作相應的調整。
  12. According to the markov approximation under a long haul condition, we get the inter - correlation function, log - amplitude and phase covariance function. the thesis puts much emphasis on three phenomenon of the laser under the effects of turbulence, i. e., intensity fluctuation ( atmosphere glistening ), beam floating and extension, phase fluctuation

    重點介紹湍流作用下的激光的三種物理現象及其產生機理，即強度起伏（大氣閃爍） ，光束漂移和擴展，相位起伏和到達角起伏。
  13. Using the system designed in this thesis work, flow field calibration of the wind tunnel is accomplished, which covers dynamic pressure drop coefficient, dynamic pressure time stability, axial static pressure gradient, boundary layer, and degree of turbulence, etc. boundary layer measuring principle and method are especially described in detail, the relationship between boundary layer thickness, wind speed setting, and the depth of the experimental section is summarized, and finally the calibration data for th e model center zone under specific wind speed are given

    然後利用本文設計的系統完成了落差系數、動壓時間穩定姓、軸向靜壓梯度、邊界層及湍流度等內容的流場校測。特別對邊界層測量的原理及方法做了較詳盡的敘述，總結出邊界層厚度與設定風速、實驗段深度的關系，然後給出模型中心區一定風速下校正數值。
  14. Among his many contributions to the field of turbulent thermal convection, his work in high prandtl number heat flux measurement played a pivotal role in settling a long - standing issue in the field

    他在湍流熱對流領域中有著眾多的貢獻，尤其是關于高普朗德數下湍流傳熱方面的實驗研究，此研究對于解決這個領域中長期未決的問題起了極為關鍵的作用。
  15. When the plane was heated, observation showed that the shape factor increased from 1. 5 to 2. 6 ; the mean velocity profile departed from the law of the wall ; the inertial subrange in the energy spectra curves disappeared ; the intermittent phenomenon occurred

    發現在加熱的情況下，邊界層的形狀因子由1 . 5上升至2 . 6時均速度廓線中的平衡湍流層消失以及速度能譜中慣性子區消失等變化。
  16. Looking down over the rails, prince nesvitsky saw the noisy, rapid, but not high waves of the enns, which, swirling in eddies round the piles of the bridge, chased one another down stream

    涅斯維茨基朝著欄桿向橋下望了一眼，看見恩斯河上湍急的喧囂的浪濤，然而浪頭不高，在橋樁四周匯合起來，泛起了一片漣漪，然後折回，後浪推前浪，奔騰不息。
  17. Using a " vortex intake " device, the underground drainage system has the dual benefit of relieving storm flow in downstream urban areas in districts such as western and kennedy town, and avoiding the difficulty of constructing or enlarging drains and culverts in urban areas and the resultant disruption to traffic that may ensue. the " vortex intake " project is a significant piece of hku s research achievements, and exemplifies the collaboration between academia, industry and government

    漩渦進水口的水力工程，不單可以紓緩西區及堅尼地城一帶于暴雨時，因大量急湍的水流往下沖而造成水浸及危險的問題，還避免了在市區興建或擴建排水道及暗渠的工程；在鬧市中進行此類工程十分困難及費時，並且一定會阻礙交通，帶來不便。
  18. In chapter 3, the subgrid eddy - viscosity model for large eddy simulation is applied to calculate the three dimensions unsteady periodic turbulent flow in yantan francis turbine. the pulsating characteristics of some main physical parameters in flow field are found. the calculated axial water thrust of hydraulic turbine agrees with the model - test value

    第三章採用大渦模擬亞格子渦粘模型，對巖灘混流式水輪機的流場進行三維非定常湍流分析，得到了流場中各物理量的脈動特性，計算出ms的軸向水推力與模型試驗值大小相當；同時論證了對于下機架承重的混流式水輪發電機組可採用其推力軸承負荷作為水電站廠房振動的最大垂直激振荷載。
  19. Surging waves and rapid currents churn over the shoal embedded with rocks and stones here and there, and then drop two meters in elevation

    灘中亂石林立，白浪翻天，水流湍急，灘上灘下水位落差2米。
  20. A man is looking down into the swift water twenty feet below.

    一個漢子正在望著腳下二十英尺處的湍急的流水。
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