medical activity meter
... median lethal time 折半致作古时刻 medical activity meter 医用放射性计 medical cyclotron 医用盘旋旋转加速器 ...
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目的：通过对医用活度计的检验，改善放射性核素活度的测量准确性，减少不必要的照射。
To improve the measurement accuracy of the radionuclide activity by verified the medical activity meter of user in order to reduce unnecessary exposure.
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