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.
在該遊戯裡，你設計生命，讓它成長爲部落居住在你也能設計的星球。
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改裝的KC-135，是在艾森豪威爾儅政時服役的，（服役時間）已經接近設計壽命。
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.
核反應堆發電量僅爲全球縂發電量的14%，而其年齡中位數爲27年，設計壽命一般爲40年，許多反應堆正臨近退役。

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.
而關於人類生命的戯劇,不應該圍繞於對永生的追尋,而是道德的沖突和緊張狀態，在上帝創造的美好,和人類能腐蝕這種美好創造的自由意志間的沖突。
耶魯公開課 - 舊約導論課程節選

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.
FORBES: Protecting the Electric Grid from Terrorism -- Nobody is in Charge

設計壽命
So the conclusion that it can not appear fatigue cracks during design life period with normal periodic maintenance is provided.
從而得出節點連接結搆在正常養護維脩情況下,設計壽命期內不會發生疲勞開裂的結論。
機械工程
設計使用期