5.The fading correction and its corresponding calculation method were specially introduced in this paper for improving the accuracy of the environment cumulate kerma.
为了提高环境累积比释动能的测量,特别介绍了环境剂量计的衰退修正及其计算方法。
6.The two transpolar shortwave time signal circuits,Moscow and Irkutsk to the Great Wall Station in Antarctica, are used to study the fading characters for shortwave long circuit.