次数

探头A与源的距离,探头B与源的距离/cm

第一套系统

第二套系统

2nγ1nγ2/s2

nrc/s1

2nγ1nγ2/s2

nrc/s1

第1次

2, 2

9,469,769

3.63

9,648,520

3.50

1, 1

23,920,861

8.73

23,875,457

8.63

0.5, 1

30,736,639

11.66

31,863,920

11.67

0.5, 0.5

39,426,156

14.68

40,930,006

14.85

0, 0.5

51,933,348

19.44

51,052,040

19.04

第2次

2, 2

8,186,750

2.93

9,698,688

3.63

1, 1

19,966,954

7.47

23,242,000

8.36

0.5, 1

26,702,631

9.88

32,121,816

11.34

0.5, 0.5

32,663,447

11.95

42,329,116

15.35

0, 0.5

39,842,104

14.52

52,152,502

19.00

第3次

2, 2

8,414,033

3.09

10,747,351

3.97

1, 1

21,260,775

7.91

24,812,721

8.76

0.5, 1

27,594,961

10.45

33,682,452.5

12.47

0.5, 0.5

36,772,327

13.17

42,234,850.3

15.36

0, 0.5

49,004,730

18.67

53,586,585.37

19.81