Is the sandbox effect of it and GOOGLE identical of a concept?

它和GOOGLE的沙盒效应是同一个概念的吗？

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The model test for simulating effect of suspended cut-off wall on preventing seepage failure in two-layer foundation of levee has been carried out in a sandbox.

在实验室渗流槽中进行有悬挂式防渗墙的二元结构堤基的渗流模拟试验，取得不同贯入度悬挂式防渗墙防渗效果的系列试验成果。

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