同时运用正交法设计了试验方案，并获得了最优爆破参数，取得显著的经济效益和社会效益。
Orthogonality method was adopted to make the trial plan and the optimum blasting parameters derived which have achieved obvious economic and social benefits.
取得显著的社会效益和经济效益。
该项研究取得了显著的经济效益和社会效益。
This research had the significant economic and social benefit.
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