On the other hand, swirling flow can be seen frequently in nature, such as tornado.

另外，螺旋流在自然界也是十分常见的，如龙卷风。

youdao

Some critics aren't impressed because many of the problems Node solves can be solved with other technologies such as libev, Tornado, EventMachine, etc. So why should we be interested in Node.js?

大多数批评者不支持Node.js，是因为他有很多的替代技术比如 libev, Tornado, EventMachine, etc，那我们为什么还要对Node.js产生兴趣呢？

youdao

However, by adding this functionality - powered by Friendfeed's Tornado server - Box will be better able to compete with other enterprise collaboration vendors such as Huddle.

不过，加入了这个由Friendfeed Tornado服务器所支持的这项功能，Box可以好好的和那些企业协作市场上的供应商竞争一把了，而这些供应商就包括Huddle。

youdao

While tools such as Doppler Radar detect winds within severe storms that could indicate a tornado may be imminent, many of these rotating storms do not go on to produce tornadoes.

CNN: STORY HIGHLIGHTS