Detection of components: use of G-M countertube, high sensitivity, fast response, stable and reliable.
探测元件：采用G - M计数管，灵敏度高、响应快、工作稳定可靠。
2
Use LED digital display counter plan of tube T0 numerical, including 51 SCM registers definition of header files.
用LED数码管显示计数器t0的计数值，包含51单片机寄存器定义的头文件。
3
SCM experiment C source code external interruption, two experiments: 1, outside interrupt count two digital tube display 2 and external interruption counter.