Shrub expansion has occurred in other environments, like semiarid grassland, and tall grass prairies.
灌木的扩张也发生在其他环境中，比如半干旱草原和高草草原。
The difference in regular red-wine consumption has been narrowing, but no similar convergence in heart-disease rates has occurred.
在定期饮用红酒方面的差异正在缩小，但在心脏病发病率方面没有出现类似的趋同现象。
Glaciation, Young claims, has occurred throughout Earth's history, and there is evidence that it occurred toward the end off the Permian period.
杨说，冰川作用在地球的整个发展历史中都有发生，有证据表明它发生在二叠纪末期。
A problem has occurred whether we should develop innovative thinking abilities in the classrooms by giving students opportunities to generate new ideas.
我们是否应该在课堂上通过给学生机会创造新想法来培养他们的创新思维能力，这个问题已经出现了。
But the increase in shrubs has occurred in the summer.
但在夏季，灌木数量攀升。
The boss promised the employees a rise in salary for ages, but nothing has occurred yet.
老板答应给员工加薪已经很久了，但什么也没发生。
The temperature increase has occurred during the winter and spring, not during the summer.
气温上升发生在冬季和春季，而不是夏季。
It is coeval with the origins of writing, and has occurred throughout our social existence.
它与书写的起源是同时代的，并且贯穿于我们的社会存在。
The increase in brightness of the x-ray sources over the same period has occurred far faster.
在同一时期内，X 射线光源亮度的增加速度要快得多。
In the last decade, a revolution has occurred in the way that scientists think about the brain.
过去十年，科学家对于大脑的思考方式发生了巨大的改变。
A vacancy has occurred in my office.
我的办事处有个空额。
Verify that a switchover has occurred.
验证一个切换是否已发生。
Error message: An error has occurred.
错误信息：出现一个错误。
Event: Record when something has occurred.
事件：当事情发生时记录。
This means that some exception has occurred.
这意味着异常情况发生了。
But let us come to what has occurred justrecently.
不过让我们回到最近发生的事情吧。
Show the total number of times an event has occurred.
显示某个事件发生的总次数。
Nothing I wanted has occurred and, worse, you deceived me.
我想看到的事情，一件也没发生，更糟的是，你居然敢骗我。
Time travel has occurred in both your future and past.
在你们的过去就有过时间旅行的先例，将来也会有很多。
It's not the first time an event like this has occurred.
像这样发生的事件不是第一次了。
Perhaps, much neurogenesis has occurred in their hippocampi.
也许，在他们的海马区存在大量的神经发生。
This return code usually indicates some kind of error has occurred.
这个返回代码通常表明发生了某些错误。
It must be possible to determine that a service invocation has occurred.
必须能够确定已经发生了服务调用。
That I am asking this question means that something important has occurred.
我之所以问这个问题，是因为已经发生了一些重要的事情。
But it has occurred, it has implications, and so we must reflect on it.
但它们发生了，而且产生了影响，所以，我们必须反思。
An event is simply an indication that something of interest has occurred.
事件就是发生了感兴趣的某件事的指示信息。
An event is simply an indication that something of interest has occurred.
事件就是发生了感兴趣的某件事的指示信息。
应用推荐