design life

基本解释

In the game, you design life-forms that grow into tribes and populate a planet, which you can also design.
在该游戏里，你设计生命，让它成长为部落居住在你也能设计的星球。
The KC-135, a cousin of the Boeing 707, entered service in the Eisenhower era and is near the end of its design life.
由波音707改装的KC-135，是在艾森豪威尔当政时服役的，（服役时间）已经接近设计寿命。
Nuclear reactors generate only 14% of the world’s electricity, and with a median age of about 27 years (see chart) and a typical design life of 40 a lot are nearing retirement.
核反应堆发电量仅为全球总发电量的14%，而其年龄中位数为27年，设计寿命一般为40年，许多反应堆正临近退役。

He said they had organized a design that shows all the information that makes up a human life.
And the drama of human life should revolve not around the search for eternal life but around the moral conflict and tension between a good god's design for creation and the free will of human beings that can corrupt that good design.
而关于人类生命的戏剧,不应该围绕于对永生的追寻,而是道德的冲突和紧张状态，在上帝创造的美好,和人类能腐蚀这种美好创造的自由意志间的冲突。
耶鲁公开课 - 旧约导论课程节选

Those currently in the inventory are either at or approaching the end of their design life.
CENTERFORSECURITYPOLICY: Testing President Bush
The average age of a transformer is 42 years, despite a design life of only 40.
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设计寿命
So the conclusion that it can not appear fatigue cracks during design life period with normal periodic maintenance is provided.
从而得出节点连接结构在正常养护维修情况下,设计寿命期内不会发生疲劳开裂的结论。
机械工程
设计使用期