于一九七八年我科即试行采用40×40×40cm 水模测定~(60)钴治疗机的三个不同大小射野(5×5、10×10、15×15cm)的吸收剂量,发现三个射野在5、10、15及20cm 深度的实测剂量率与吸收剂量法计算值相比较,误差约在1%±,说明吸收计量测定法是准确的,一九七九年正式将吸收剂量测定法应用于临床,通过一年多的临床应用,发现不 In 1978, our department tried to measure the absorbed dose of three different size and size fields (5×5, 10×10, 15×15cm) using a 40×40×40cm water model to a (60) cobalt treatment machine. The measured dose rates at the depths of 5, 10, 15 and 20 cm for the three fields were found to be comparable to those calculated using the absorbed dose method. The error was about 1%, indicating that the absorption gauging method was accurate and was officially established in 1979. Absorption dosimetry applied to the clinical, through more than one year of clinical application, found no