如果知道某探测器的死时间为1μs,实际测量得到的计数率为50kcps,如果仅做死时间修正,计数率应该是多少?
参考答案:
经过死时间修正后的计数率为52632cp
根据句意及首字母提示完成单词。
1. I've got a s_____ family. There are only three people in it.
2. Thank you for your e _____.
3. Tony is in China w _____ his mum and dad.
4. Lingling has got an American f _____.
5. Tony hasn't got any grandparents with h _____ in China.
一块平行四边形的铁板,底长3.8米,高是3.2米.它的面积是多少平方米?