In traditional engineering, the bulk of time as well as of the cost is spent in production, while the architecture and design phase only contributes a minor part of time and cost.
在传统工程中，大部分时间和经费用于生产，而用于规划和设计阶段的仅占一小部分。
It is on track to be introduced in summer of 2012, and is still in the engineering phase, not early production. We suspect that poor battery life doomed the prior prototype version.
iPhone5将于2012年夏天发布，目前仍处于工程设计阶段，新机尚未产出，放弃此前原型机设计可能是因为电池续航时间不甚理想。
PR's are raised during the Production engineering/breakdown phase of a contract by Drawing office and/or Production Engineering personnel.
在合同生产工程/细目分类阶段，由图纸办公室和/后生产工程人员提出请购单。
PR's are raised during the Production engineering/breakdown phase of a contract by Drawing office and/or Production Engineering personnel.
在合同生产工程/细目分类阶段，由图纸办公室和/后生产工程人员提出请购单。
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