The practices proved the efficiency of the proposed strategy.
实践证明了所提出策略的有效性。
The good design through practices proved that satisfactory effects could be obtained.
通过设计与实践，证明可以取得满意的效果。
The elementary practices proved that this system could be employed well in hotels and would be in favor of improving the service and management level.
初步实践表明，该系统能够在酒店管理中良好运行，有利于提高酒店的服务和管理水平。
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