单词盒子

natural background radiation

N 开头单词

基本解释

  • 天然本底辐射
  • 自然本底辐射

英汉例句

    双语例句

  • This is called natural background radiation.
    这称为自然环境辐射。
  • The committee said the detected levels of radioactive iodine-131 were below one-hundred-thousandth of natural background radiation and not considered harmful.
    委员会称此次检测到的碘-131辐射量小于天然本底辐射剂量的十万分之一，不会对公众造成伤害。
  • For most people more than half of their natural background radiation dose comes from radon, a radioactive gas that can accumulate in homes, schools and workplaces.
    对大多数人来说，他们自然环境辐射剂量的一半以上来自氡 — 一种可聚集在家庭、学校和工作场所的放射性气体。
    www.pdcdc.sh.cn

    • 权威例句

  • Dr. GERBER: It's approximately four times the natural radiation dose that we all receive annually in the Unites States, as a result from background radiation due to radon and other materials.
    NPR: Study: Heart CT Scans May Pose Risk

词组短语

    短语

  • natural l background radiation 本底辐射
  • natural environment background radiation 天然环境本底辐射