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- Upper Atmosphere Phenomena 高层大气现象
- Scientists have photographed "upwards lightning", a rarely-seen phenomenon where electricity from storms flows into the upper atmosphere. 科学家拍摄到“向上的闪电”,一种十分罕见的现象--暴风雨中的电流向上层大气流动。
- The first-stage vehicle is used to launch the rocket and is then jettisoned in the upper atmosphere. 第一级运载火箭是用来发射火箭的,进入高层大气后即抛掉。
- Once in the upper atmosphere,CFC reacts with ozone to destroy it. 氯氟化碳一旦进人上层大气,就会与臭氧发生反应,从而破坏臭氧层。
- Once in the upper atmosphere, CFC's react with ozone to destroy it. 氯氟化碳一旦进人上层大气,就会与臭氧发生反应,从而破坏臭氧层。
- The study of the upper atmosphere, especially of regions of ionized gas. 高层大气物理学对有关高层大气,特别是离子化大气层的研究
- Quickly fading ones suggest a dry upper atmosphere and fair weather. 迅速消逝的轨迹表明上层大气层干燥和晴朗的天气。
- An optical device designed to project images of atmospheric phenomena, such as clouds, on the inside of a dome. 气象仪将大气现象的映像,如云,投射到一个圆顶内侧的一种光学装置
- Particle concentrations in the upper atmosphere drop regularly as the altitude rises. 在高层大气中粒子浓度随高度的增加而有规律地下降。
- Scientists believe that tiny ice crystals of nitric acid in Antarctica's upper atmosphere are directly involved. 科学家认为,南极上部大气圈内微小的硝酸冰晶也直接参与其中。
- Scientists fear that the continued depletion of the ozone layer in the upper atmosphere will thus cause widespread health problems. 科学家担心,上部大气圈臭氧层的继续损坏将会引起普遍的健康问题。
- Ozone occurs naturally in the upper atmosphere and helps to mop up ultraviolet radiation. 臭氧自然发生在上层大气层,帮助抹去紫外线幅射。
- China started to explore the upper atmosphere using rockets and balloons in the early 1960s. 中国在二十世纪六十年代初期开始利用探空火箭、探空气球开展了高层大气探测。
- A low - or middle - latitude, more or less steady, faint photochemical luminescence in the upper atmosphere. 气辉大气层上部位于低纬或中纬的相对稳定的微弱光化冷光
- Reactions between oxygen and ultraviolet radiation from the sun create a layer of ozone throughout Earth's stratosphere (upper atmosphere). 太阳辐射紫外线和氧反应在整个地球平流层(上部大气圈)内产生一个臭氧层。
- In the upper atmosphere, ozone shields the earth from the harmful ultraviolet radiation. 臭氧在大气层的作用是阻挡太阳释放出来的有害紫外线。
- Sky: The expanse of air over any given point on Earth; the upper atmosphere as seen from Earth's surface. 天,天空:在地球上给定地点上方空气的宽阔区域;大气层上部,如从地球表面看上去。
- The atmospheric phenomena suggested by Jovian Cloud Tops are caused by convection, the transfer of heat from the interior of the planet to its surface and beyond. 木星云顶景观显示了由热对流造成的大气现象:对流将热量从行星内部转移至表面或更远的地方。
- The puffy trails cool the upper atmosphere by reflecting sunlight away and warm the lower atmosphere by trapping outgoing heat. 膨大的凝结尾会把阳光反射出去,使上方的大气层冷却,又会阻挡下面散发上来的热,而使下方的大气层变得温暖。
- A low - or middle - latitude,more or less steady,faint photochemical luminescence in the upper atmosphere. 气辉大气层上部位于低纬或中纬的相对稳定的微弱光化冷光