operational readiness planning meaning in English

运行就绪阶段

All major milestones had been reached on time or ahead of schedule , and operational readiness planning had begun
西铁项目所有主要工程均如期或提前达到既定指标，并已开始筹备通车计划。
All major milestones had been reached on time or ahead of schedule , and operational readiness planning had begun
西铁项目所有主要工程均如期或提前达到既定指标，并已开始筹备通车计划。
All major milestones have been reached on time or ahead of time , and operational readiness planning has begun in earnest
所有主要工程均如期或提前达到既定指标，并已开始筹备通车计划。