当浮力把空气向上推，而重力又把它向下拉的时候，就会形成大气的重力波。
Atmospheric gravity waves form when buoyancy pushes air up, and gravity pulls it back down.
这些大气波动携带的能量像声波那样在水平方向和垂直方向上进行传播。
The energy from these atmospheric waves, like the energy from a sound wave, propagates both horizontally and vertically.
这些火焰造成了对流漏斗，把许多微粒抛向上层大气。
These fires create convection funnels, and throw a lot of particles into the upper atmosphere.
大气的各种气体大约吸收这种向上辐射的70%。
Various gases of the atmosphere absorb about 70% of this upwelling radiation.
见有汞异常浓度由沉积物向上经底层、表层海水到海面大气渐次降低的趋势。
The trend of decrease in mercury content is seen from sediments upwards to bottom seawater, surface seawater, and sea-surface air.
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。
Scientists have photographed "upwards lightning", a rarely-seen phenomenon where electricity from storms flows into the upper atmosphere.
水平方向上大气紫外透射比的指数衰减规律决定了系统工作的局域性和保密性。
Exponential attenuation of UV atmospheric transmittance for the horizontal paths decides that the UV communication system works locally and safely.
通过对向上传播的重力波波包在中层大气中的非线性传播过程进行数值模拟，讨论中层大气中重力波的饱和机制。
Saturation mechanism of gravity waves in mesosphere is discussed by simulating the nonlinear upward propagation of gravity wave in mesosphere.
宇宙射线将电子剥落，使它们脱离大气的空气分子，同时闪电促使这些电子沿着电场向上冲去。
The cosmic rays knock electrons off of atmospheric air molecules, while the lightning forces the electrons upward along electric fields.
这项研究说向上运行的第二大气圈的空气影响地球中纬度的气温、风以及湿度水平。
The study says that this second cell of rising air accounts for temperatures, winds and moisture levels in the mid-latitudes.
这项研究说向上运行的第二大气圈的空气影响地球中纬度的气温、风以及湿度水平。
The study says that this second cell of rising air accounts for temperatures, winds and moisture levels in the mid-latitudes.
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