A gritty wind can howl for hours, and "dust devils" (funnel-shaped whirlwinds) will appear without notice.
强风能哀号好几个小时，“尘卷”(漏斗形的旋风)会毫无征兆地出现。
There could be special catalysts in the soil, for example, perhaps created by the static electricity whipped up by dust devils.
比如，有可能是泥土中存在一种特殊的催化剂，它可能是由小风暴席卷过后产生的静电引起的。
When the dust devils came through, they destroyed the fragile clusters, revealing the finer sand grains below.
当尘暴经过时，气旋摧毁了脆弱的团块，曝露出下面的细小沙粒。
But on April 18, the team saw several active dust devils leaving surprisingly bright tracks.
不过在4月18日，研究小组目睹了几场活跃的尘暴留下了令人惊讶的明亮痕迹。
For dust devils, the tangential velocity profile behaves like Rankine vortex, so it could be regarded as a kind of Rankine-like vortex.
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；
Typically lasting only a few minutes, dust devils becoming visible as they pick up loose red-colored dust leaving the darker and heavier sand beneath intact.
尘埃风暴持续了仅仅数分钟，当风把稀疏的红色尘埃吹起留下了颜色较深、较重的沙土在下方时，尘埃风暴变得可见。
On Mars, dust devils can be up to 8 kilometers high.
在火星上，尘埃风暴能够达到8公里高。
Errors and uncertainties multiply, cascading upward through a chain of turbulent features, from dust devils and squalls up to continent-size eddies that only satellites can see.
错误和不可靠性上升，接踵而来的是一整套湍流的征状，从小尘暴和暴风到只有卫星才可以看到的席卷整块陆地的涡流。
Doppler Radar Observations of Dust Devils in Texas.
德克萨斯州沙尘暴的多普勒雷达观测。
Dust devils have been credited with unexpected cleanings of Mars rover solar panels.
尘埃风暴让火星探测器上的太阳能电池板异常干净。
Dust devils have been credited with unexpected cleanings of Mars rover solar panels.
尘埃风暴让火星探测器上的太阳能电池板异常干净。
应用推荐