Sand pile [建] 砂桩 ; 沙桩 ; 砂石桩
lime sand pile 石灰砂桩
sand conpaction pile 挤密砂桩
a pile of sand 一堆沙子
sand pile foundation 砂桩基础
densification by sand pile 挤密砂桩
Sand compaction pile 挤密砂桩
Sand Compaction Pile Method 夯实砂桩法 ; 挤压砂桩工法 ; 砂桩加固法
While in doing building materials business, the sellers often pile sand up with quasi-prism.
建材买卖中，售沙人常将沙堆成拟柱体。
This results in alternating periods of quiescence and activity - remarkably like the build-up and collapse of a sand pile.
这会导致变换的静止和活动的周期-与沙堆的堆砌和崩塌非常相像。
Nature speaks a language, Graziano says, and sometimes that language can look pretty complicated—like the function whose graph mirrors the shape of this pile of sand. (March 2009.)
图4：格拉齐亚诺说，大自然讲一种语言，有时这语言非常复杂——象这个函数，其图形与这个沙堆的形状相吻合。
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