“These conclusions explain why some animals can survive and reproduce optimally with only a few waking hours, whereas others need to eat all day and must have reduced sleep time, ” he told Nature.
最后他得出结论，有些动物每天只需要数小时就可以获得生存和繁衍所需的能量，而有些则需要一整天都在摄取食物。
Rather than load everything you need when the application is first accessed, it is sometimes better instead to load only some portions of the application at that time.
有时候，这样的做法会更好：不在首次访问应用程序时就加载所需的所有东西，而仅在这个时候加载应用程序的部分内容。
While you might be in a very serious relationship with your work you must understand that you need some time away from it. It will do you only good.
你觉得工作很重要，但一定要记得适当时候需要逃离一下。这样对你有好处。
Some of the spam is one time only and you don't need to be concerned with that.
有的垃圾邮件是一次性的，你不只是要关心的。
We have only just received the documents so we need some time to analyse them before we can make any decision.
我们只是收到了一些文件，所以我们需要时间分析才能最终做出决定。
In each running round of this algorithm, mobile sink only need to collect datum from the designated area and stay in this area for some time, which can ensure optimal to the life of this round.
此算法在每轮运行过程中，汇聚点只需去指定的区域收集数据，并在此区域停留一段时间，就能确保本轮的生命周期最优。
In each running round of this algorithm, mobile sink only need to collect datum from the designated area and stay in this area for some time, which can ensure optimal to the life of this round.
此算法在每轮运行过程中，汇聚点只需去指定的区域收集数据，并在此区域停留一段时间，就能确保本轮的生命周期最优。
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