refinement cycle meaning in Chinese

修正旋回

After prototyping , and after the product goes though the design refinement cycle when engineers revise and improve the design to meet performance and design requirements and specifications , objective , comprehensive design verification testing ( dvt ) is performed to verify all product specifications , interface standards , oem requirements , and diagnostic commands
经过原型和产品通过设计周期后，当工程师修改和提高设计来满足性能和设计需求和规范、目标、全面的设计验证测试( dvt ) ，执行这些是为了验证所有产品规范、接口标准、 oem需求和诊断命令。