background radiation造句

• The unwanted radiation is referred to as background radiation .
  这种有害辅射称为背景辅射。
• " for their discovery of cosmic microwave background radiation
  发现宇宙微波背景辐射
• Celestial thermal background radiation
  天空热背景辐射
• Extragalactic background radiation
  河外背景辐射
• Background radiation intensity
  背景辐射强度
• Cosmic background radiation
  宇宙背景辐射
• Thermal background radiation
  热背景辐射
• We believe this background radiation was generated when the universe was very young
  我们相信它们是宇宙初开后所残留的辐射。
• The study of infrared background radiation of earth and atmosphere by airborne ftir spectrometer
  地球大气红外背景辐射光谱特征研究
• They had found the cool afterglow of the big bang : the cosmic microwave background radiation
  他们发现的是大霹雳冷却后的馀晖：宇宙微波背景辐射。
• It must be emphasised that the above limits are in addition to the expected levels of background radiation
  必须强调上述上限并未把预期本底辐射水平计算在内。
• It must be emphasized that the above limits are in addition to the expected levels of background radiation
  必须强调上述上限并未把预期本底辐射水平计算在内。
• The annual dose received by the public in hong kong from natural background radiation is about 2 msv
  在本港，平均每人每年吸收的天然本底辐射剂量大约为2毫希沃特。
• The annual dose received by the public in hong kong from natural background radiation is about 2 msv
  在本港，平均每人每年吸收的天然本底辐射剂量大约为2毫希沃特。
• Those of us who study the background radiation focus our attention precisely on what our colleagues try to ignore
  我们这些研究背景辐射的人，就是专门将大把精力放在同行想要忽略的东西上。
• Article 4 the provisions of the act do not apply to naturally occurring radioactive material , background radiation , and their exposure herein
  第4条天然放射性物质、背景辐射及其所造成之曝露，不适用本法之规定。
• To measure background radiation , we need subtle instruments ; to measure beauty , we need alert intelligence and our five keen senses
  测量背景辐射，我们需要精密仪器；而衡量美，则需要动用我们的聪慧和所有敏锐的感官。
• It is therefore completely impossible to avoid ionising radiation altogether . the average background radiation as about 2 msv per year
  换言之，我们不可能完全避免电离辐射，每年接触到的本底辐照量平均为两毫西韦特单位。
• The cosmic microwave background radiation we see today is from the era just before the temperature was low enough to allow neutral hydrogen to form
  简单来说，科学家所探测到的宇宙微波背景辐射，是来自刚转为透明前的宇宙。
• Other astronomers also reached the same conclusion when they were studying the fluctuations of the microwave background radiation
  无独有偶，另一些天文学家通过测量宇宙的微波背景辐射在宇宙空间中的起伏变化，也获得同样的结论！