The product development process for a new model extends over a period of some five years and is divided into three phases.
一个新产品样式的产品开发过程延续将近五年的时间，可被分为三个阶段。
It consists of three phases: management of the legacy system; transition to the new platform or system; and stabilization and management of the new platform.
它分为三个阶段：遗留系统的管理，过渡到新平台或系统，新平台的稳定及管理。
The construction of socialist new rural areas must also adhere to three phases, five key points & six principles.
新农村建设要坚持三个阶段、五个重点、六项原则。
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