As the depth of foundation pits becomes bigger and bigger, the study of prediction and control of the displacement of foundation pits becomes one of the hot subjects studied in geotechnology field.

随着基坑开挖深度的增大，基坑变形的预测与控制已成为岩土工程领域研究的热点之一。

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So, an in-depth study in how to make a accurate prediction of the hydrodynamic performance of the propeller is very important.

因此，深入地研究如何准确地预报螺旋桨的水动力性能是非常重要的。

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