A vertical two-dimensional flow model is developed to model the current around pipeline. A scour model is developed to model the change of bed level.

通过建立一个垂直二维紊流模型来模拟管道周围流场。建立泥沙冲刷模型来模拟海床底面变化。

youdao

In many cases of regional water resources issues, when numerical method is often adopted in groundwater flow modeling lower bed level value of aquifer on each node should be given.

对于许多区域水资源问题，用数值方法进行潜水水流模拟时，需要给出每个节点上含水层底板标高值。

youdao

Have a comfortable bed Check the comfort level of your bed.

有一张舒服的床，检查你的床的舒服程度。

youdao

Now, sponsors are pulling out of West Indian cricket at every level, and the team itself is struggling to bed in newcomers who are not well equipped for the demands of international cricket.

BBC: Windies cricket falls on hard times

Monwara has given her bed, one of the only raised areas in her home still above water level, to her goats.

BBC: NEWS | South Asia | Resilience as the waters rise