downtimesCOCA²⁰⁸⁸⁸¹ 基本例句 🌏下线期间；维修时间原型downtime的复数 For the QA teams to run test cycles with such interruption, it is critical that all stake holders are proactive in communicating and planning their downtimes. 对于执行测试周期而遭遇这种干扰的 QA团队而言，所有涉众都前瞻性地通知其停机时间，并为之作出计划，这十分关键。 ibm