Nuclide retention amount measuring system and method

The invention relates to a nuclide retention amount measuring system and a nuclide retention amount measuring method. The nuclide retention amount measuring system comprises a moving device which canmove along a first direction; a rotating device which is arranged on the moving device, wherein a rotating shaft of the rotating device extends in the second direction and can move in the first direction along with the moving device; a semiconductor detection device which is connected with the rotating device and can rotate along with the rotating device, comprises a probe used for detecting an energy peak and a net peak area of nuclide with a geometrical shape in the target object; a distance measuring module which is connected with the probe and used for measuring the distance between the probe and nuclide; and an electric control unit which is electrically connected with the semiconductor detection device and the distance measurement module, establishes an analysis model according to the geometrical shape of th