在离子收集电流电压曲线中剂量测量采用的区域是()
A.复合区和正比区
B.受限正比区和正比区
C.复合区和电离室区
D.受限正比区和GM区
E.GM区和电离室区
参考答案:E
播量稳定性
In relation to company law, explain the following concepts:
(c) issued share capital. (3 marks)