It has the very good practicality value.
具有很好的实用价值。
Strike a good balance between formality and practicality.
平衡形式性与实用性。
The experiment has proved its good stability, effect and practicality.
试验结果证明，此系统工作稳定，效果良好，实用性好。
The experiment has proved its good stability, effect and practicality.
试验结果证明，此系统工作稳定，效果良好，实用性好。
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