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horizontal wind field
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  水平风场
     Using the wind field diagnostic model and atmospheric diffusion experimental data in winter and summer in Wentouzi area of Liaodong Bay, the distribution characteristic of horizontal wind field at nuclear power station have been analyzed.
     利用辽东湾温坨子地区大气扩散试验资料,采用风场诊断模式,对拟建核电站厂区冬季水平风场的分布特征进行了研究。 结果表明:冬季该地区水平风场分布主要有3种形式:(1)呈偏南风型的风场;
短句来源
     The distribution characteristics of the temperature field and the corresponding horizontal wind field with the advection fog on 18th December, 1997 are analyzed, using the relatively dense real time data on time and (normal) space collected by the Dopplar sonic radar.
     利用多普勒声雷达所获取的在时间、空间(垂直方向)较为密集的实时资料,对北京地区1997年12月18日平流大雾时的温度场和相应的水平风场的分布特征进行了分析;
短句来源
     3) Based on the horizontal wind field retrieved from Doppler velocity, it is found that there is isolated construction of meso-β-scale wind field.
     ( 3)分析单多普勒雷达反演的水平风场发现 :大尺度的环境风场中 ,存在 β中尺度系统的独立流场 ;
短句来源
     The basic relationship between the Doppler velocity(radial velocity component)field andthe horizontal wind field is analyzed mathematically. The major features of Doppler velocity im-age for various typical mesoscale systems,such as shear,lines,vortex and low level jet,are dis-cussed using the simulated Doppler images.
     从数学上分析了 Doppler 速度(径向速度分量)和水平风场之间的基本关系,利用模拟的Doppler 图像讨论了切变线、涡旋和低空急流等各种典型中尺度系统的 Doppler 速度图像的主要特征。
短句来源
     There are mainly four patterns for distribution of horizontal wind field at this area in summer, they are: (1) sountherly wind patten, (2) sealand wind one, (3) shear wind one and (4) northerly wind one.
     夏季该地区水平风场分布主要有4种形式:(1)受季风控制,呈偏南风型的风场; (2)系统风较弱,呈海陆风型的风场;
短句来源
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  水平流场
     Anomalous tropical general circulation and weather are studied by using long-term annual mean data, grid and conventional data during the El Nino event in May, 1987. Its possible causes are discussed and explained by means of analysis of horizontal wind field and spafial structure of atmosphere over the tropics, circulation index in middle-and-high latitude area.
     本文运用热带地区多年平均场资料、格点资料与常规资料,较为全面地分析了1987年5月厄尼诺现象持续期间热带大气环流和天气气候的异常,并从热带地区的水平流场和大气的空间结构以及中高纬度地区的环流形势等方面,对其可能原因作了初步的探讨和解释。
短句来源
     Using the treatment of seperating layer with three-year observed data, classified the layer which has obvious turning in horizontal wind field as boun- dary layer.
     运用三年的实测资料,将水平流场存在明显转折的层次定为分界层。
短句来源
  “horizontal wind field”译为未确定词的双语例句
     Influenced by the temperature increase, the horizontal wind field was adjusted correspondingly, and the wind speed increased by 0.025m/s below 100m level and decreased by 0.22m/s in 100~750m level, the maximum of the wind speed decrease occurred near 300m, the value was 0.6m/s.
     受增温影响,风场随之调整,风速在100m以下增大0.025m/s左右,而在100~750m高度风速有不同程度的减小,平均为0.22m/s,其中最大减小值在300m高度,为0.6m/s左右。
短句来源
     6) Through comparison of MM5's output and IR-TBB, MM5 may gave a satisfactory simulation about storm's track and precipitation, however, as most model, the intensity simulation was weaker than observation, especially the horizontal wind field in low level.
     (6)通过对模式模拟结果与IR—tbb云图的比较可以看到,中尺度模式对风暴的路径及降水的模拟与实况具有较好的一致性,但是在强度方面与大多数模式一样较实况为弱,尤其是低层的水平风速与实际情况存在着较大差异。
短句来源
     The saltation trajectories of sand particles in a horizontal wind field and a vertical wind field arising due to solar radiation are investigated to find out the influence of the temperature variation near the earth surface on the saltation movement of sand particles.
     为了研究由地表温度变化引起的向上的垂向气流对沙粒跃移运动的影响,本文给出了考虑近地表温度变化和水平来流风场作用下的沙粒的跃移运动。
短句来源
     Calculated the temperature near the earth surface and the upward wind speeds at different moments during a full day, the saltation trajectories of sand particles in a horizontal wind field combined with the vertical wind field are simulated. The numerical results show that the maximum height and span of the trajectories respectively increase by 55.56% and 73.68% afternoon at which the upward wind speed approaches to 1.5m/s.
     在定量给出不同时刻的近地表温度和垂向风速的基础上,计算了由于太阳辐射所引起的近地表层垂向气流对沙粒跃移运动的影响,发现:垂向风速在午后可达到1.5m/s并使得沙粒跃移轨迹的最大高度和长度分别增加55.56%和73.68%;
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  horizontal wind field
A test was made of the effect of some measurement biases on the determination of the solar horizontal wind field.
      
Observations of the horizontal wind field over the South Pole were made during 1995 using a meteor radar.
      
Based on NCEP/ NCAR reanalysis data during 1980-1994, seasonally and interannual variability of the horizontal wind field are studied.
      
Vertical diffusion of the horizontal wind field may be optionally applied at upper levels in the Tropics.
      
The horizontal wind field was computed by integrating the wind field vertically up to 5 km.
      
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The large-scale synoptic conditions and the physical properties on the 850mb-level and the surface are used as the external parameters. We treat particularly the lower part of the boundary layer in which the effects of the stratification are considered. The higher part, in which it is assumed that the geostrophic winds vary linearly with height, is divided into 15 equal intervals of length. Matching the wind fields of the two parts we set up a steady-balance initial value model. Taking the results...

The large-scale synoptic conditions and the physical properties on the 850mb-level and the surface are used as the external parameters. We treat particularly the lower part of the boundary layer in which the effects of the stratification are considered. The higher part, in which it is assumed that the geostrophic winds vary linearly with height, is divided into 15 equal intervals of length. Matching the wind fields of the two parts we set up a steady-balance initial value model. Taking the results obtained above as the guess fields and utilizing the observed wind data on the 1500,900,600,300m levels and the ground, we proceed in dynamic adjustment and try to constitute the initial values of the boundary layer to approximate the actural atmospheric state.In this paper, the effects of some physical parameters in the atmospheric boundary layer are analysed by use of the model constituted above and the choice for the vertical division is discussed. We also describe the adjustment process through integrating numerically boundary layer motion equations. Finally, vertical motion and horizontal wind fields in the boundary layer for the Northern China at 00 z,23 August 1966 are presented as an example. It is evident that these results describe detailed structure of the atmosspheric boundary layer.

采用850毫巴和地面的大尺度天气状况和物理特性作为外参数,将大气边界层下层的地表层进行特殊处理,考虑了层结的作用,其上分成等距15层,考虑地转民随高度线性变化。上下层耦合,建立一个定常平衡初值模型,并将所得的初值作为第一级近似,再利用地面、300、600、900、1500米五个高度测风资料进行动力调整,试图建立一个更加接近实际状态的边界层初值。 文中利用所建立的模型,对大气边界层的一些物理参数的作用进行了分析,并对动力调整过程以及垂直分层的选取等作了讨论。 最后例举华北地区1966年8月23日08时边界层的各层次风场和垂直运动,清楚地显示出边界层内的细致结构。

Anomalous tropical general circulation and weather are studied by using long-term annual mean data, grid and conventional data during the El Nino event in May, 1987. Its possible causes are discussed and explained by means of analysis of horizontal wind field and spafial structure of atmosphere over the tropics, circulation index in middle-and-high latitude area.

本文运用热带地区多年平均场资料、格点资料与常规资料,较为全面地分析了1987年5月厄尼诺现象持续期间热带大气环流和天气气候的异常,并从热带地区的水平流场和大气的空间结构以及中高纬度地区的环流形势等方面,对其可能原因作了初步的探讨和解释。

Using the treatment of seperating layer with three-year observed data, classified the layer which has obvious turning in horizontal wind field as boun- dary layer. When the air pollutants emissed from the realistic pollutants source excess the boundary layer and vertically pass the boundary layer by diffusion, a new pollutant source will appear, then the value of pollutant concentration in boundary layer will be gained, and also when the wind dire- ction in lower wind strata is different, the...

Using the treatment of seperating layer with three-year observed data, classified the layer which has obvious turning in horizontal wind field as boun- dary layer. When the air pollutants emissed from the realistic pollutants source excess the boundary layer and vertically pass the boundary layer by diffusion, a new pollutant source will appear, then the value of pollutant concentration in boundary layer will be gained, and also when the wind dire- ction in lower wind strata is different, the horizontal diffusion of the pollutant will be strengthened and there is a law that the pollutants concentration in ground axial will regularily deflect to the down wind region as the distance addition.

运用三年的实测资料,将水平流场存在明显转折的层次定为分界层。当实际源强排放的污染物,由扩散作用铅直通过该层,相应产生了一个新的污染源,从而得到了形成分界层下各处的污染浓度解。上下层风向不同时,污染物的横向扩散范围变大,且地面污染浓度轴线随着距离增加,具有逐渐向下层的下风处偏移的规律。

 
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