Translations:Implementation of migration/13/en

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Table 3. Two-way traveltimes obtained by adding Tables 1 and 2 entry by entry. The source point is (1, 3), the receiver point is (1, 11), and the depth points are indicated by the row and column.
Horizontal distance, x
Depth, z 12 10 8 8 8 8 8 8 8 8 8 10 12 14 16
12 10 9 8 8 8 8 8 8 8 9 10 12 14 16
13 11 10 10 9 9 9 9 9 10 10 11 13 15 17
14 13 12 11 10 10 10 10 10 11 12 13 14 16 17
15 14 13 12 12 11 11 11 12 12 13 14 15 17 18
17 15 14 14 13 13 13 13 13 14 14 15 17 18 19
18 17 16 15 15 15 14 15 15 15 16 17 18 19 21
19 18 18 17 16 16 16 16 16 17 18 18 19 21 22
21 20 19 19 18 18 18 18 18 19 19 20 21 22 23
23 22 21 20 20 20 20 20 20 20 21 22 23 24 25