对性能建立数据库，使测试结果能随时查阅，并能打印出性能曲线及测试数据报表。
This system can print performance of direct-current generator relative factually and make testing results convenient for consulting at any moment.
对性能建立数据库，使测试结果能随时查阅，并能打印出性能曲线及测试数据报表。
This system can print performance of direct-current generator relative factually and make testing results convenient for consulting at any moment.
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