| 预防与应急B1 | 监测与预警B2 | 处置与救援B3 | 恢复与重建B4 |
预防与应急B1 | 1 | 1/2 | 2 | 1/3 |
监测与预警B2 | 2 | 1 | 2 | 1/2 |
处置与救援B3 | 1/2 | 1/2 | 1 | 1/3 |
恢复与重建B4 | 3 | 2 | 3 | 1 |