dust devil中文什么意思

【气象学】小尘暴，尘旋风。

• dust:    n. 1.尘，灰尘，尘土，尘埃。 2 ...
• devil:    n. 1.魔鬼，恶魔；〔the D- ...
• dust-devil:    尘卷

例句与用法

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1. Dust devils are small tornadoes . they are common on earth , particularly in desert regions that have few obstructions , and on mars , a world dominated by deserts and great dust storms
   在木星云顶景观中，流体的旋转速度取决于流体与旋转中心的距离，所产生湍流及层流形态，与木星、土星、天王星及海王星的大气层相似。
2. Based on the national " ninth " five years " key project - study on the equipment and technique of raising and transplanting seedlings as the kind of factory , combining the no - tillage specialty which can shorten the working period and reduce the intension of dust devil , the key parts of corn no - tillage transplanter has been studied which can improve both the transplanting speed and reliability , reduce the labour intension of operator , further more , the method of automatic controlling whole working course has been applied by using single - chip microcomputer , the bedrock is made for transforming this technique into social productivity
   本文在原来国家科技部“九五”攻关项目“工厂化育苗、移栽工艺及设备研究”的基础上，结合免耕工艺不仅缩短作业时间，而且可以对防止沙尘暴发生有利的特点，对可以提高栽植速度和工作可靠性、降低操作人员劳动强度的玉米免耕栽植机的关键部件进行了详细的研究，进一步采用单片机控制技术对其工作过程实现了自动化控制，为该技术尽快转化为社会生产力打好基础。

英文释义

名词

1. a miniature whirlwind strong enough to whip dust and leaves and litter into the air

百科释义

A dust devil is a strong, well-formed, and relatively long-lived whirlwind, ranging from small (half a metre wide and a few metres tall) to large (more than 10?metres wide and more than 1000?metres tall). The primary vertical motion is upward.