飞机的设计制造超复杂。对科研人员工程师技术员技工要求超高。想象越晚退休压力积累越大，适应突然释放压力的能力越差。

来源: IEbird 于 2019-02-22 10:38:28 [旧帖] [给我悄悄话] 本文已被阅读：次

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