double-design flood frequency 双设计洪水频率
The odds of a flood occurring in the autumn of 2000 likely increased by double or more.
在2000年秋天,爆发洪水的可能性增加了两倍,或者更多。
Now, however, the same flood of dollars is proving a double-edged sword to export-dependent countries like Thailand, the Philippines, and New Zealand.
但是,现在同样的洪水计证明是一把双刃剑,以依赖出口的国家,如泰国,菲律宾,和新西兰。
Superior scouring resistance capability is required for the bank slopes of double-lane shiplock of Changzhou Hydraulic Complex, due to local difficult flood protection and long flood period.
在长洲水利枢纽双线船闸工程施工中,由于当地汛期防汛任务重,汛期长等特点,对于船闸的左右两侧边坡的防冲刷提出了很高的要求。
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