Sand storm and dust devil in spring in northern parts were extremely frequent.
春季北方扬沙和沙尘暴天气异常频繁；
Then introduces an experimental study on the application of topic map technology in knowledge navigation for a dust devil archive.
接着，以沙尘暴研究领域的知识导航为例进行了主题图在数字化知识组织中的试验性应用研究。
The crew went there to hunt for dark dust-devil tracks on the ground.
全体研究人员前往该处寻找地面上的深色尘暴痕迹。
The crew went there to hunt for dark dust-devil tracks on the ground.
全体研究人员前往该处寻找地面上的深色尘暴痕迹。
应用推荐