The scanning machines, called "backscatter scanners," deliver a dose of ionizing radiation equivalent to 1 percent or less of the radiation in a dental X-ray.

扫描机，所谓的“反射散射扫描仪”，发射出的电离辐射剂量相当于牙科辐射X射线的1%或更少。

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The radiation monitor AT1125A has scintillation NaI (tl) as well as a G-M tube, which extends greatly ambient gamma radiation dose equivalent rate measuring range.

辐射监测at1125 A已闪烁碘化钠(铊)，以及通用汽车公司管，这大大扩展了环境伽马辐射剂量当量率测量范围。

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Juno is expected to receive a radiation dose equivalent to more than 100 million dental X-rays.

“朱诺号”预计会受到的辐射，相当于照超过一亿次口腔X光。

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If an astronaut had been on the Moon at the time, they might have received a 400 rem (Roentgen Equivalent Man) radiation dose.

BBC: NEWS | Science/Nature | Spacecraft go to film Sun in 3D

Even subsistence fishermen, who eat far more fish than the typical American, would receive a dose of radiation from the cesium isotopes released in the meltdown equivalent to a single dental X-ray, Fisher and his colleagues reported.

CNN: Fukushima tuna study finds minuscule health risks