测量时间/s

A/Bq

σ_A/Bq

δ_A

10

141,139

1530

1.08%

20

142,479

1095

0.77%

30

142,630

896

0.63%

40

142,290

769

0.54%

50

143,557

698

0.49%

100

141,985

490

0.35%

200

142,372

338

0.24%