wind direction

基本解釋

Wind direction shown by smoke-drift, but not by wind vanes.
從煙的動向可以判斷出風向，但不能通過風向標判斷。
This is highly pertinent. The wind direction, should there be a plume containing radioactive material, determines whether fallout will land on populated areas or in the sea.
這是一個關鍵問題，如果含有放射物質(zhì)的云團出現(xiàn)，那么風向?qū)Q定這些放射性墜塵會降落在聚居地還是海洋。
By determining wind speed and wind direction, it will be possible to predict exact forecasts for international airports.
《護衛(wèi)者號》將通過測定風速和風向，為各國際機場提供準確的氣象預測信息。

Meteorologists and aviation authorities are monitoring wind direction and the ash cloud's movement from Iceland to determine where and when to shut down airspace in Europe.
Now there is worry about a new threat headed in their direction in the wind a fungus that destroys wheat crops.

Today, however, the dominant wind is reported to have shifted and wind direction is more variable.
UNESCO: Social and Human Sciences
If air movement up and down the mountain's slope governed wind direction, dominant winds generally would be north-south.
ENGADGET: Curiosity rover finds radiation levels on Mars are safe for humans

風向
The wind direction has no obvious interannual change,and they are almost the same in each year. Wind speed has a weak diminishing interannual trend.
風向沒有明顯的年際變化,每年各個方向出現(xiàn)的頻率大致相同;風速有較弱逐年遞減的年際變化趨勢。
環(huán)境科學技術
風向