duration of existence
英
美
- 存在期间
双语例句
- During its brief existence, the pion carries momentum from one nucleon to the other.
在它短暂的存在期间内，它将动量从一个核子带到另一个核子。 - On the other hand, if you mean duration of existence as an earth feature, then the Appalachians certainly are among the timeless landscapes of the world.
另一方面，如果你把存在期间看作是地球的特点，那么，阿帕拉契山无疑是在这地球上永恒的自然景观的其中之一。
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