background radiation中文是什么意思

• 背景辐射，本底辐射
• 本底辐射

• background    n. 1.后景，背景；基本情况；(纺织品等的)底子；出身 ...
• radiation    n. 1.发光，射光，放热，放射，发射。 2.【物理学】 ...
• radiation background    本底辐射; 辐射背景; 辐射本底
• additional background radiation    附加的背景辐射
• ambient background radiation    环境背景辐射
• average background radiation    平均本底辐射
• background radiation intensity    背景辐射强度; 本底辐射强度
• background radiation monitoring    背景辐射监测; 本底辐射监测
• celestial thermal background radiation    天空热背景辐射
• cosmic background radiation    宇宙背景辐射
• cosmic infrared background radiation    宇宙红外线背景辐射; 宇宙外背景射
• cosmic microwave background radiation    宇宙背景辐射; 宇宙微波背景辐射
• extragalactic background radiation    河外背景辐射
• galactic background radiation    银河背景辐射
• galactic background radio radiation    银河背景射电
• high background radiation area    高本底辐射地区
• intensity， background radiation    背景辐射强度
• microwave background radiation    微波背景辐射
• natural background radiation    天然本底辐射; 自然本底辐射
• natural radiation background    天然放射性本底
• primordial background radiation    原始背景辐射
• thermal background radiation    热背景辐射
• x-ray background radiation    x射线本底辐射
• background    n. 1.后景，背景；基本情况；(纺织品等的)底子；出身；经历。 2.隐蔽的[不引人注目的]地位；幕后。 3.衬托音乐，伴音；【无线电】干扰杂音 (students of workers' background. 工人出身的学生)。 in the background 背地下，背后；在幕后(活动)。
• in the background    在背后, 在幕后, 作为后果

• Energy from the microwave background radiation and from collisions among the atoms would have sufficed to flip electrons and induce the hydrogen to glow feebly
  从微波背景辐射以及原子碰撞而来的能量，已足够翻转电子，使得氢气微微发光。
• Follow appropriate rules and regulation to establish standards and carry out monitoring activities around nuclear power plants as well as background radiation investigations
  二、依据相关法规订定与执行核设施周围环境辐射侦测及背景辐射调查。
• For examples , observation of the gravitational lens phenomenon and the scattering phenomenon produced by microwave background radiation and hot plasmas from galaxies clusters
  ，例如利用引力透镜现象及微波背景辐射与星系团的热等离子体造成的散射现象等等。
• Even 15 billion years or so after the big bang , echoes of that event still linger in the form of background radiation , only a few degrees above absolute zero
  原始大爆炸已过了150亿年左右，大爆炸的痕迹仍以背景辐射的形式存留在宇宙中间，只比绝对零度高几度。
• For hot rolling steel production , the condition on site is poor , temperature measurement is restricted by transmitting rate , background radiation and transmission loss of optical route
  对现场条件比较恶劣的热轧生产，它的测温受到发射率、背景辐射、光路传输损失等因素的制约。
• Even fifteen billion years or so after the big bang , echoes of that event still linger in the form of background radiation , only a few degrees above absolute zero
  即使在宇宙大爆炸发生大约150亿年之后，大爆炸的遗迹仍以背景辐射的形式存在于茫茫宇宙之中，这背景辐射只高出绝对温度几度。
• We have a snapshot of the universe as it was 400 , 000 years after the big bang ? the cosmic microwave background radiation ? as well as pictures of individual galaxies a billion years later
  我们已拥有宇宙在大霹雳40万年后光景的快照：宇宙微波背景辐射，与大霹雳10亿年后星系个体的影像。
• The nobel prize in physics goes to john mather and george smoot " for their discovery of the blackbody form and anisotropy of the cosmic microwave background radiation
  2006年的诺贝尔物理学奖授予了美国科学家约翰?马瑟和乔治?斯穆特，以表彰他们发现了宇宙微波背景辐射的黑体形式和各向异性。
• Even 15 billion years or so after the big bang , echoes of that event still linger in the form of background radiation , only a few degrees above absolute zero
  宇宙大爆炸在一百五十多亿年后的今天仍余波未平，爆炸当时所释放的能量（即使这些能量看起来似乎微不足道）仍以背景辐射现象的形式存在着。
• State media has previously quoted officials as saying the radiation emitted would be no higher than normal background radiation such as from a tv set , and would not harm residents living near the track
  官方媒体之前表示其辐射不会高于一些普通的背景辐射，如电视机等，而且不会对沿线居民的健康造成伤害。

• background radiationとは意味：バックグラウンド放射（線）｛ほうしゃ（せん）｝