Radiation therapy uses a variety of units to refer to the amount of energy received by the patient. Here are the main ones under the International System of Units, or SI.
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,详情可参考新收录的资料
Рабочие обнаружили аудиозапись культовой сказки в самом неожиданном месте14:35。业内人士推荐新收录的资料作为进阶阅读
科学其实很有趣,科学家其实很酷,这一点在新收录的资料中也有详细论述