At the top of the shore is a berm.
海岸顶上是后滨阶地.
The geo membrane was anchored at 4 feet up the inside slope of the separation berm.
在土工膜停泊在了里面的4英尺的分离天然斜坡.
This berm consisted of compacted clayey soils.
此天然包括压实粘性土.
There were three basic construction modes during the initial period of Alaska Pipeline design: conventional burial, special burial, and above ground berm or pile bent.
阿拉斯加原油管道设计有传统埋设、特殊埋设和地上敷设。
These modes have obviously oscillations in temporal domain, in which the foreshore mode has mainly quasi period about 4 days, while the quasi period for the beach berm mode is 2 8 days.
空间模式在时域上具有一定的振荡周期。其中,前滨模式以4天的准周期变化为主,滩肩模式则有28天的准周期性变化。
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