Ozone is the earth's barrier against ultra-violet radiation.
臭氧是地球防止紫外线辐射的屏障。
The $617 million satellite will study energy radiation from the most violent stars in the universe.
这个价值6.17亿美元的人造卫星将研究宇宙中活动最剧烈的恒星所发出的辐射能。
The reproduction and growth of the cancerous cells can be suppressed by bombarding them with radiation.
癌细胞的繁殖和生长可通过放射线辐射加以抑制。
Anything from cosmic rays to radiation to diet may activate a dormant oncogene.
从宇宙射线到辐射到日常饮食，任何东西都可能激活潜伏的致癌基因。
She insists that it's exposing workers to unnecessarily high doses of radiation.
她坚称，这正让工人们暴露在不必要的高剂量辐射下。
The radiation radius of the radioactive radium radiator in the stadium is variable.
放射性的镭散热器在体育场的辐射半径是可变的。
What we are seeing from earth is actually electromagnetic radiation that's coming from stars.
我们在地球上看到的其实是来自恒星的电磁辐射。
But radiation as a general term actually refers to anything that spreads away from its source.
但是辐射作为一个通用术语，实际是指所有从其源头扩散开来的东西。
Many types of radiation, especially ultraviolet rays from the Sun, can damage skin cells and cause cancer.
许多类型的辐射都会损害皮肤细胞并导致癌症，尤其是来自太阳紫外线的辐射。
Macufacturers provide that cell phones meet government standards for safe radio-frequency radiation omission.
制造商提供的手机符合政府安全的射频辐射遗漏标准。
Manufacturers provide cell phones that meet government standards for safe radio-frequency radiation omission.
制造商提供的手机符合政府安全的射频辐射遗漏标准。
A few months after this discovery, Marie Curie died as a result of leukaemia caused by exposure to radiation.
在这一发现的几个月后，玛丽·居里死于辐射引起的白血病。
One way we keep track of the radiation budget is by looking at the albedo of the different surfaces on the planet.
我们记录辐射收支的一种方法是观察地球上不同表面的反照率。
Changes in eccentricity, tilt and wobble do not affect the total amount of solar radiation Earth receives in a year.
离心率、倾斜和摆动的变化并不影响地球一年接收到的太阳辐射总量。
He would not hesitate to allow his children to consume these vegetables or water under the current radiation content.
在目前的辐射含量下，他会毫不犹豫地允许他的子女食用这些蔬菜或水。
For the Earth to maintain a constant average temperature, such emissions from the planet must balance incoming solar radiation.
为了使地球保持恒定的平均温度，来自地球的这种辐射必须平衡入射的太阳辐射。
Neutrinos can thus escape from regions of space where light and other kinds of electromagnetic radiation are blocked by matter.
因此，中微子可以从光和其他电磁辐射被物质阻挡的空间区域中逃逸出来。
An increase in the amount of carbon dioxide means that there are more molecules of carbon dioxide to absorb infrared radiation.
二氧化碳含量的增加意味着有更多的二氧化碳分子吸收红外线辐射。
The absence of oxygen on other planets means that those planets lack an ozone shield to protect life forms against UV radiation.
其他行星上没有氧气，这意味着这些行星缺乏保护生命体免受紫外线辐射的臭氧层。
UHECRs tend to collide with photons of the cosmic microwave background—pervasive radiation that is a relic of the early universe.
UHECRs往往会与宇宙微波背景中的光子相撞，这种辐射是早期宇宙的遗迹，无处不在。
Cosmic rays of various kinds come through the air from outer space, but enormous quantities of radiation from the sun are screened off.
来自外太空的各种宇宙射线通过空气进入大气层，但来自太阳的大量辐射却被屏蔽了。
For instance, without a tree to absorb radiation from the Sun, to offer shade, the full intensity of that radiation reaches the ground.
例如，如果没有树木来吸收太阳的辐射并提供树荫，那么太阳辐射就会完整地到达地面。
It is long known that Earth's orbit around the Sun changes periodically, cyclically affecting the way solar radiation strikes the Earth.
人们早就知道，地球围绕太阳的轨道会周期性地变化，周期性地影响太阳辐射照射地球的方式。
As the capacity of the atmosphere to absorb infrared radiation increases, the radiating level and the temperature of the surface must rise.
随着大气吸收红外辐射的能力增加，地面的辐射水平和温度必须上升。
When zinc sulfide is hit by particles or by anything, by radiation or by particles of greater than certain critical energy, there is a glow.
当硫化锌被粒子或任何东西、辐射或大于某一临界能量的粒子撞击时，就会发出辉光。
Micro-Mechanics plans to produce a chip that, because it uses only microscopic mechanical switches, will be invulnerable to radiation damage.
微机械公司计划生产一种芯片，因为它只使用微小的机械开关，所以不会受到辐射损伤。
Early life-forms on Earth were confined to the oceans because water was the only available protection they had against ultraviolet radiation.
地球上早期的生命形式被限制在海洋里，因为水是帮助它们抵御紫外线辐射的唯一有效保护。
When conditions are hot, the ostrich erects them on its back, thus increasing the thickness of the barrier between solar radiation and the skin.
当天气炎热时，鸵鸟会把它们背在背上，这样就增加了太阳辐射与皮肤之间的屏障厚度。
These early ancestors of modern Eurasians disperse into parts of the world that had more seasonal sunshine and much lower levels of sun radiation.
这些现代欧亚混血儿的早期祖先分散到世界各地，那里有更多的季节性日照和更低水平的太阳辐射。
Japan has been trying to bring its nuclear crisis under control, but the spread of radiation has raised concerns about the safety of the nuclear energy.
日本一直在努力控制核危机，但是核辐射的蔓延已经引起了人们对核安全的担忧。
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