development milestone meaning in English

发展的里程碑

W e create business and in return history records all our development milestones
路是走出来的，历史记录了我们的发展历程。
A development milestone marking the point at which all features for the release are implemented and functionality has been verified against the functional specification
一个开发里程碑，它标记了实现该次发布的所有功能并针对功能规范验证了功能性的时刻。
The smooth open up of electronic commerce symbolized wintime logistics co . , ltd . took an independent market leader , has established a new development milestone
正泰物流电子商务的顺利开通标志着正泰公司作为一个独特的市场的领导者，建立了开拓与发展的新里程。