人们常常假设，但没有证据证明，在所谓的“大迁移”中，大多数移民来自农村地区，这是由两个同时发生的因素推动的。
It has been frequently assumed, but not proved, that the majority of the migrants in what has come to be called the Great Migration came from rural areas and were motivated by two concurrent factors.
有些假说不能解释同时发生在陆地和海洋的灭绝。
Some hypotheses fail to account for simultaneous extinctions on land and in the seas.
下一个问题是，平均幸福感的下降是否与电子设备使用量的增加同时发生？
The next question is, are the drops in average well-being happening at the same time as trends toward increased electronic device usage?
记住交流同时发生在网上和线下。
但是许多复杂的化学反应也同时发生。
But while this is happening, many complicated chemical reactions are taking place.
关联规则描述了哪些项目经常同时发生。
这一切都是同时发生的。
异步消息传递：业务逻辑可以随事件同时发生。
Asynchronous messaging: Business logic can occur concurrently with events.
在这种情况下，优化循环同时发生在模型和实现中。
In this case, the refinement cycles take place in both the model and the implementation at the same time.
你父亲的体验：对你父亲来说，几件事情同时发生了。
Your father's experience: For your father, several things are going on at the same time.
这种说法也被同时发生在阿大脑中心的活动所补充说明。
This notion is reinforced by the concurrent activity of brain centers involved in addiction.
但如果这两种情况同时发生，大宗商品市场很可能崩盘。
But if both events occur together, it will very probably break the commodity markets en masse.
当配置网络中物与物都链接在一起时，每一物都同时发生。
When everything is connected to everything in a distributed network, everything happens at once.
尽管股市崩溃与熊市常常被同时提及，它们并不一定同时发生。
While crashes are often associated with bear markets, they do not necessarily go hand in hand.
如果这两个运作,同时发生,那么从你们坐的位置,又会看到什么。
Now, if these two motions take place simultaneously then what you will see from where you are sitting...
我想和大家一起看到很多自然力量在某一特定时刻同时发生的体会。
I wanted to share with everyone this experience of seeing many elements going on at a particular point in time.
先是发现在现在的印度西部曾经几乎同时发生过一系列的火山喷发。
For starters, there were a series of truly enormous volcanic eruptions in what is now western India around the same time.
该地区动乱与原教旨主义推进恰好同时发生的事实也属于一个典型现象。
The fact that the turmoil in the region and the advance of fundamentalism are coinciding is a classic phenomenon.
有些如步行和唱歌能够同时发生，有些会互相排斥，如睡觉和弹奏钢琴。
Some can take place in parallel, like walking and singing;others are mutually exclusive, such as sleeping and playing the piano.
然而，它们又是以不知不觉的渐进方式和极度震撼的快速方式同时发生着。
But it's all happening in ways that are both imperceptibly gradual and shockingly fast.
两件或更多件表面上豪不相关的事，以一种有意义的方式同时发生了的经验。
The experience of two or more events that are apparently casually unrelated, occurring together, in a meaningful manner.
尽管如此，它却有益于分析，因为全球主义各个方面的变化不一定同时发生。
Nonetheless, it is useful for analysis, because changes in the various dimensions of globalism do not necessarily go together.
就当前这一历史时刻而言，其不寻常之处在于，多项根本调整正在同时发生。
The extraordinary thing about the present moment is that several fundamental adjustments are taking place at the same time.
两件同时发生的事可能导致许多错误：可能被判有罪的人实际上并没有犯罪。
And those two things together can lead to a lot of mistakes: potentially convicting people of crimes that they weren't really guilty of.
但自柏林墙倒塌与日本泡沫经济破裂同时发生的那刻起，自民党就时日无多了。
Its days have been numbered since the collapse of the Berlin Wall coincided with the bursting of Japan's bubble economy.
一大担忧是大宗商品价格下降和利率上升同时发生——这并不是难以想象的组合。
The big fear is falling commodity prices coupled with rising interest rates-hardly an unimaginable combination.
但并行工作也意味着需要付出更多的精力，尤其是在解决那些同时发生的变更时。
But working in parallel also always means additional effort when it comes to resolving concurrently made changes.
同时性的相对性是指，两件事情同时发生与否是相对的，取决于观察者所在的方位。
The relativity of simultaneity is the idea that whether two events occur simultaneously or not is relative and depends on the observer.
同时性的相对性是指，两件事情同时发生与否是相对的，取决于观察者所在的方位。
The relativity of simultaneity is the idea that whether two events occur simultaneously or not is relative and depends on the observer.
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