natural background radiation
基本解释
- 天然本底輻射
- 自然本底輻射
英汉例句
- This is called natural background radiation.
這稱爲自然環境輻射。 - The committee said the detected levels of radioactive iodine-131 were below one-hundred-thousandth of natural background radiation and not considered harmful.
委員會稱此次檢測到的碘-131輻射量小於天然本底輻射劑量的十萬分之一，不會對公衆造成傷害。 - 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.
對大多數人來說，他們自然環境輻射劑量的一半以上來自氡 — 一種可聚集在家庭、學校和工作場所的放射性氣躰。
www.pdcdc.sh.cn - 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
雙語例句
權威例句
词组短语
- natural l background radiation 本底輻射
- natural environment background radiation 天然環境本底輻射