The quantification of absolute activity in vivo is necessary procedure of estimating the absorbed dose of organ or tissue.

器官组织的绝对活度定量是吸收剂量估算的必要步骤。

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In another 52 volunteers, doctors mixed a high dose of the drug into the contrast medium that is injected into the site so X-rays can track the progress of the procedure.

在另外52志愿者中，医生将大剂量的药物加入造影剂中，在X线下注入病变部位以观察治疗过程。

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But the functions of this system dose not play well in judicial practice for the deficiency of procedure regulations.

但由于相关程序规范的不健全，公诉变更制度在司法实践中并未发挥出其应有功效。

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