择学说(natural selection)认为,高级演化(evolution)的发生需要很长的时间(long time)才能验证,这类限定是Darwin其时不克不及用experiment证实nature selection的缘故原由(熬头题考),然后讲了现代有生命的物质学家发...
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“海平面上升是一个缓慢得多的事情,因此将需要很长时间才能发生,但我们将基于本世纪达到的二氧化碳峰值锁定它的水平。”所罗门说。
"The sea level rise is a much slower thing, so it will take a long time to happen, but we will lock into it, based on the peak level of [carbon dioxide] we reach in this century," Solomon says.
要想确保永远不发生这样的泄漏可能需要对注入地点进行很长时间的监测——也许数百年,也许数万年。
Ensuring that such a leak never occurs could require monitoring the injection site for a very long period of time - from hundreds to tens of thousands of years.
没有功能强大的更改控制的组织在意外停机时会拖延很长时间,因为管理员需要尝试并确定哪些变量发生了更改以及何时发生了更改。
Organizations that do not have vigorous change control end up suffering prolonged outages as the administrators try and determine what variables changed and when.
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