natural background radiation
基本解釋
- 天然本底輻射
- 自然本底輻射
英漢例句
- This is called natural background radiation.
這稱(chēng)爲(wèi)自然環(huán)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(huì)稱(chēng)此次檢測(cè)到的碘-131輻射量小於天然本底輻射劑量的十萬(wàn)分之一,不會(huì)對(duì)公衆(zhòng)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(duì)大多數(shù)人來(lái)說(shuō),他們自然環(huán)境輻射劑量的一半以上來(lái)自氡 — 一種可聚集在家庭、學(xué)校和工作場(chǎng)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(yǔ)例句
權(quán)威例句
詞組短語(yǔ)
- natural l background radiation 本底輻射
- natural environment background radiation 天然環(huán)境本底輻射