不过，通过树木的年轮和更多的现代历史记录，人们还是可以查到一些大洪水爆发的记录。
Yet vast floods have also been documented, both through tree-ring data and more modern historical records. Marcia K.
虽然洪水并没有到达 1974 年的历史记录，但还是超越了 1990 年和 1991 的记录。
While the floods have not reached the historic levels seen in 1974, they are rivaling the records set in 1990 and 1991.
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