accumulation test

例句：

1. 1. Thecompany conducted a cumulative test toevaluate the effectiveness of its new product line.
   该公司进行了累积测试，以评估其新产品线的有效性。
2. 2. The cumulative test resultsshowed that the new process reduced waste by30%.
   累积测试结果显示，新工艺减少了30%的废物。
3. 3. Thecumulative test was crucial in determiningthe optimal operating conditions for the machine.
   累积测试在确定机器最佳运行条件方面至关重要。