卷风

Q.真的有火龙卷风吗？

Q. Are fire tornadoes possible ?

尘卷风的形成、结构和卷起沙尘过程的数值研究

Numerical study of the fomation evolution and structure of dust devil

关于双龙卷风的成因目前还存在争议。

There 's some disagreement on just how twin tornadoes are formed .

一场小龙卷风穿过了农场，横扫了田地。

A small tornado passed through this farm and cut across this field .

风暴自圣罗莎海岸狭小的佛罗里达镇蕴积成龙卷风。

The storm spawned a tornado near the Florida panhandle town of Santa Rosa Beach .

这种发展形式被2003年大面积的旱灾和世界性卷风的出现所阻碍了。

Growth was held back in2003 by extensive drought and the gradual winding down of the international presence .

我已经拍摄了大量的热带风暴，甚至还有一场小龙卷风，但从没捕捉到飓风或台风。

I 've captured lots of tropical storms on film , and even a small tornado , but never a hurricane or typhoon .

尘卷风是一种类兰金涡，旋转速度和压力的分布具有兰金组合涡的特点；

For dust devils , the tangential velocity profile behaves like Rankine vortex , so it could be regarded as a kind of Rankine-like vortex .

对愁不成眠，凄清卷风廉，问卿可知否，孤独又一年，悄然两行泪。

DO not become sleep to the sorrow , the pure book breeze , ask the can know to deny , standing alone again a year , quietly two lines of tears .

混沌学理论提到，如果一只蝴蝶煽动翅膀，卷风的路线会因其改变，全世界都将感觉到随之而来的影响。

If a butterfly flutters its wings , so chaos theory goes , it can cause the path of a tornado to change , and so the reverberations can be felt across the world .

提高成卷机风机风量改善棉卷均匀度

Raising the Air Flow of Lap Machine to Improve the Evenness of Lap

卷地风来忽吹散。

Suddenly blowing a huge gust .