上风向

两煤矿下风向区域（西北）重金属污染比上风向区域严重。

The heavy metal pollution in downwind area ( at northwest ) of two mines is more serious that in upwind area .

而上风向沙源的供给状况又是决定砾石床面阻沙和导沙的主要因素。

On the other hand , the upwind sand source supply is also a main factor influencing gobi bed arresting or transporting sands .

这座镇子位于离爆炸地点几英里处的上风向位置。

The town was a few miles upwind of the explosion .

地面流场上风向辐合提供了动力条件。

Wind concentrate on surface flow field offered dynamic conditions .

洪水淹没区上风向抗洪建筑群体布置对其下风向建筑上波浪荷载的影响

Effect of Wave Force upon Leeward Building by Flood-protection Building Arrangement Windward in Flood Zone

厂区河水镍含量高于上游河水的镍含量；冶炼工人发镍高于居住上风向区域农民发镍。

The nickel concentration in the river near the plant is higher than that of the upper reaches .

冶炼工人发镍高于居住上风向区域农民发镍。

The nickel level in the hair of smeltery workers is higher than that of peasants living in uptuyere area .

分析结果表明，下风向大气、土壤，蔬菜、粮食样品中镍含量皆高于上风向对应样品中的镍含量；

The results showed that the nickel content in air , soil , vegetables and grains in downtuyere area is higher than that of corresponding samples in uptuyere area .

林带边粒径分布测定结果表明：下风向处较大粒径颗粒物的相对含量比上风向处小一些；

The results of measurements for the particulates radius distribution showed that the relative content of the bigger granule matters in the forest-leeward was smaller than that in the forest-windward .

明沙嘴采取的从沙源上风向边缘开始的人工辅助措施加封育的治沙实践证明，减少人为干预，主要利用自然力的作用，能达到流沙固定，植被增加，沙漠化土地逆转的目的。

Practice for desertification land reversion in south fringe of Tengger Desert proved that the integrated countermeasures of desertification land enclosure compounded with artificial assistant methods at windward region could fix mobile sand dune by making use of elemental function ;

这条河向北流,但河上的风向南吹。

The river runs north , but the wind on the river blows south .

文中对多普勒声雷达测风和325m铁塔上风速、风向仪及超声风速仪的测量值进行了观测比较。

In this paper the wind speed and wind direction are compared by Doppler Sodar and in-situ measurements on 325 m meteorological tower .

这包括了跑道上的风速风向、卫星云图、以至航道和目的地机场的天气资讯。

The products range from runway winds , satellite cloud images to en-route and destination weather information .

探讨了四路平衡式外差接收方法，使其在激光测风雷达光频上具有的风向判断功能。

We discussed four-group balanced heterodyne reception method , achieved the function of wind direction judgment in light-frequency of doppler ladar .

最大风速和它半径上的最小风向内偏角出现在热带气旋移向的右后侧。

The maximum wind speed with minimum inner deflection angle resides at the right back side of the TC moving direction .

帆船上用于防止向下风向漂流的鳍板。

A retractable fin keel used on sailboats to prevent drifting to leeward .

设计制作了可方便调节雨线在拉索模型上的位置和风向角的试验装置、用于测压试验的带人工雨线的拉索模型，并在风洞中进行了拉索模型同步测压试验。

In this paper , a cable model with an artificial rivulet and a new test set-up on which the cable model can be easily adjusted to required inclined angles and wind angles are designed and manufactured .