研究结果表明，该培训系统具有使用经济性、实践试误性和演练反复性，是实际教育培训的适宜补充和拓展。
The results indicated that this training system, while enjoying such advantages as being economical, practical and repeatable, can supplement and enrich the actual teaching practice.
研究结果表明，该培训系统具有使用经济性、实践试误性和演练反复性，是实际教育培训的适宜补充和拓展。
The results indicated that this training system, while enjoying such advantages as being economical, practical and repeatable, can supplement and enrich the actual teaching practice.
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