单词background radiation
un.: 背景辐射；本底辐射
网络: 基底辐射；背景辐射射线；背景辐射量
本底辐射
背景辐射
"Although we live bathed in a sea of background radiation, people treat any increment as a dire risk, " he said by email.
“虽然我们生活在一个充满辐射的世界，但人们把任何辐射的增加当成致命的危险，”他通过电子邮件说到。
Background radiation delivers the average person a radiation dose of about 3 millisieverts (mSv) a year.
平均每个人一年所接受到的背景辐射量为3豪希弗。
The mottled look of the Cosmic Microwave Background radiation is the result of differences in temperature and density.
宇宙微波背景图的斑点是由于温度和密度所造成的。
Humanity was almost extinguished, their spirits becoming part of the background radiation that blanketed the earth.
近乎消失的人类，其灵魂也成为了充斥着背景辐射的地球的一部分。
As the universe expands, the wavelengths of the background radiation stretch and the radiation becomes more diffuse.
宇宙膨胀时，背景辐射的波长会被拉长，使得辐射更扩散。
But the clusters are also moving relative to the background radiation, so the scattered light gets distorted further by the Doppler effect.
但是星系团相对于背景辐射也在运动，因此散射光出于多普勒效应而被进一步扭曲。
The Nazis funded massive research into the environmental dangers of background radiation, lead, asbestos, and mercury.
纳粹提供资金对背景辐射，铅，石棉和水银的环境危险做了大量研究。
This cosmic microwave background radiation, they said, represents the ancient afterglow of the big bang.
他们说，这宇宙微波背景幅射代表着宇宙大爆炸的余辉。
The Big Bang theory is supported by the discovery of faint, cool background radiation coming evenly from all directions.
来自四面八方的均匀、微弱、冷却的背景辐射现象的发现支持了大爆炸学说。
Fluctuations in the cosmic microwave background radiation probe the earliest moments of the universe.
太空的微波背景辐射的涨落指示了宇宙最早期的信息。