dust devil造句

• Impacts of climate abnormality on dust devil in north china and countermeasures
  气候异常对我国北方地区沙尘暴的影响及其对策
• 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，接踵而来的是一系列湍流的徵状，从小尘暴和暴风发展到只有卫星上可以看到的席卷整块大陆的旋涡。
• Section 4 presents the topic map - based knowledge navigation experiment for a dust devil digital archive . the principle , steps and methods in topic map - base application are discussed
  在分析了主题图技术的概念体系和理论基础的基础上，进行了主题图技术在沙尘暴研究领域知识导航中的试验性应用。
• Just the previous day , spirit ' s power acquisition increased unexpectedly , possibly the result of a dust devil passing near or over the spirit rover and effectively cleaning its solar panels
  就在这之前，勇气号的电力供应出人意料地增加了，这有可能是尘暴接近或经过火星车时清洁了它的太阳能电池板的缘故。
• 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。
• 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。
• 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。