The design flood region composition is an important subject of hydroelectric project planning and design.

设计洪水地区组成是水利水电工程规划设计中的一个重要研究课题。

youdao

"These people never expected such a huge flood in this region," Shah said.

“没有人预料到这个地区会爆发洪水，”Shah说。

youdao

As being influenced by the activities of human beings, the composition of region of design flood has been more and more taken notice of.

由于人类活动的影响，设计洪水的地区组成越来越引起人们的重视。

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"Houses in our region used to have stilts a few meters above the ground in order to allow flood to stay there,"

VOA: standard.2009.12.21

The flood waters, carrying mud and debris, coursed down the mountain slopes of Ladakh, causing widespread damage in the region's main city,Leh, and surrounding villages.

VOA: standard.2010.08.06

The flood region is a low-lying prairie, and water about thigh-deep spread over a broad region, inundating homes and cars.

CNN: More rain for flooded parts of Louisiana

The federal agency noted that 81 culverts built in southern Alaska to improve salmon passage over the past decade survived last September's 100-year flood in the region, while roads with older, undersized culverts were washed out.

WSJ: Towns, ecologists seek climate-friendly culverts

The federal government also promises that most of the region's flood walls will be replaced and its levees strengthened.

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