What atmospheric layer protects Earth from UV rays?
让地球远离紫外线伤害的大气层是？
Atmospheric layer is a part most active in global environment.
大气层是全球环境各组成部分中最活跃的一个部分。
The space shuttle has already entered the next atmospheric layer.
航天飞机已经进入下一个气层了。
This contrast may show the feature of the effect of the urban buildings on the wind profiles in lower atmospheric layer on the part of local climate.
这种差异能够反映出城市建筑群对低层大气风廓线影响的局地气候特征。
For a planet with an atmospheric layer like earth, the periodic inherent energy change can produce a remarkable effect on its atmospheric temperature.
对于地球这样一个有大气层的行星而言，这种能量的周期性变化会对大气气温产生显著的影响。
Because Venus atmospheric layer is extremely high reflectivity, sunlight is reflected, hence make most of it particularly bright, also observed so clear.
由于金星大气层有极高的反射率，太阳光大部分被反射，因此使得它特别明亮，也观察得特别清晰。
Directly behind the shuttle is the mesosphere, which appears blue. The atmospheric layer that appears white is the stratosphere, while the orange layer is Earth's Troposphere.
航天飞机的正后方呈蓝色的就是大气层的中间层，而白色的是平流层，橙色的是对流层。
The pink to white region above the clouds appears to be the stratosphere; this atmospheric layer generally has little or no clouds and extends up to approximately 50 km above the Earth’s surface.
云层上粉色到白色的部分是平流层所在的位置，这个层次中通常很少有云，大约延伸到离地球表面50千米的空中。
The pink to white region above the clouds appears to be the stratosphere; this atmospheric layer generally has little or no clouds and extends up to approximately 50 km above the Earth's surface.
云层上粉色到白色的部分是平流层所在的位置，这个层次中通常很少有云，大约延伸到离地球表面50千米的空中。
The ice cap could be thinner and still protect water if it were topped with a layer of frozen atmospheric gas, such as dry ice, which is solid carbon dioxide.
若冰层上方还存在一层固态气体层，如干冰——二氧化碳的固态形式，维持液态水存在的冰层厚度要求就能相对降低。
Mean velocity profile, turbulence intensity profile, integral scale and wind spectra are the most fundamental characteristics that describe the atmospheric turbulent boundary layer flow.
平均速度剖面，湍流度剖面，积分尺度和风谱是反映大气湍流边界层流动的四个最基本的因素。
Once photosynthesis had raised atmospheric oxygen levels high enough, the ozone layer formed, meaning that it was then possible for living things to venture onto the land.
一旦光合作用上升了大气氧气成水平足够高，臭氧层被形成，意味，它是然后可能为生存事冒险土地。
A lot of observational data on the atmospheric boundary layer over the plateau were obtained.
获得了大量的关于青藏高原大气边界层的宝贵资料。
Atmospheric boundary layer, that is, the atmosphere near the bottom of some of the ground.
大气边界层，便大气层靠远地里的底层部门。
Phosphorous concentration in the surface layer of plate effectively increases its resistance to atmospheric corrosion.
由于磷在钢板表面的富集有效地提高了钢板的耐大气腐蚀性能。
The atmospheric radiative heating and cooling rates are calculated when one layer high cloud or low cloud appears or two layers of cloud appear simultaneously in plain and plateau areas.
本文计算了冬、夏两季在平原和高原地区分别有低云、高云和当高、低云同时出现时的短波辐射增热率，长波辐射冷却率以及高低云之间的相互影响。
Finally, the atmospheric boundary layer wind of south-east littoral of China was modeled by using RAMS.
对我国东南沿海地区大气边界层风场进行了建模研究。
A system consisting of soil layer, mulch layer and atmospheric boundary layer is developed and energy balance equation for each layer is derived.
建立了一个包括土壤层、塑膜覆盖物、植物冠层和大气边界层的系统，系统中的各层进行了能量平衡计算。
The basic concepts of the Marine Atmospheric Boundary Layer and the similarity theory are introduced in this study.
本论文介绍了海洋大气边界层的基本概念和相似理论。
In this paper, the methods used for representing the atmospheric boundary layer in some numerical forecast models are described.
本文叙述一些数值预报模式中大气边界层的处理。
After the virtual level of atmospheric boundary layer wind tunnel test of homogeneity, parameters and boundary conditions can explain the virtual wind tunnel to maintain a balance of self.
同时对已建立的虚拟大气边界层风洞进行水平均匀性检验，说明所选择的参数及边界条件基本能使虚拟风洞具有自保持平衡性。
So, Chapter 2 is mainly concerned with the simulation technique about atmospheric boundary layer.
因此，在第二章中讨论了大气边界层的模拟方法和结果。
Atmospheric boundary layer is influenced not only by the ground surface but also directly by the weather system of different scales.
大气边界层不仅受地面的影响，也受不同尺度大气系统的直接影响。
The results showed that the oasis-desert circulation and atmospheric boundary layer structure are symmetric without the influence of the background westerly air flow.
结果表明：在没有西风气流背景的影响下，绿洲沙漠环流和大气边界层结构是对称的。
And it was compared with the self organizing phenomenon in atmospheric convective boundary layer.
将它与大气对流边界层中的“大涡”自组织现象作了初步对比。
The results show that the boundary layer scheme in atmospheric model may play an important role in simulating concentration of dust storm.
通过分析，作者认为大气模式中的边界层模式差异对沙尘暴中沙尘浓度的模拟能产生较大影响。
Aerosol measurements in slant range in atmospheric boundary layer are performed by using a mobile pollution detecting lidar system (AML-1). The corresponding data processing method is introduced.
利用自行研制的车载测污激光雷达系统(AML 1)对大气边界层气溶胶进行了斜程探测，并给出了与之相应的数据处理方法。
There is some difference between the characteristics of atmospheric boundary layer in the estuary area and inland area.
珠江崖门出海口地区大气边界层特征和内陆地区有一定差别。
There is some difference between the characteristics of atmospheric boundary layer in the estuary area and inland area.
珠江崖门出海口地区大气边界层特征和内陆地区有一定差别。
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