但是，检查柱侧对称的程度是衡量一个配置文件中的替代方。

However, to check the degree of plume lateral symmetry one profile was measured on the alternate side.

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用膨化硝酸铵替代原用普通硝酸铵，震源药柱内装药中的梯恩梯含量降低50%。

The content of TNT in seismic explosive columns is decreased 50% because of using expanded ammonium nitrate instead of common ammonium nitrate.

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水滴形扰流柱是一种具有综合性能、替代常规圆形扰流柱的理想结构。

So that the water drop-shaped column array is a promising configuration with a comprehensive properties and can replace the normal circle-shaped column.

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