A unit strength of a radioactive source equal to one million disintegrations per second. 放射性强度单位等于每秒百万次数衰变。
The activity of a sample is defined to be the number of disintegrations per unit time. 样品的放射性定义为每单位时间的蜕变数目。
And national power on the decline to influence Russia reader at literature of Russia intrinsic complex China to a certain extent the disintegrations of the Soviet Union. 苏联的解体和俄罗斯国力的衰微在一定程度上影响了中国读者对俄罗斯文学固有的情结。