这些事情都发生在蒸汽火车出现之前，而且，运河修建在那时正处于繁荣时期。
This was before the steam locomotive, and canal building was at its height.
问问你自己如果“如果”没有发生会出现什么情况。
在路由操作方面可能发生的另一个问题是出现双重默认路由。
One other potential problem that can occur with route manipulation is getting duplicate default routes.
磁盘是否会出现故障从来都不是考虑问题，要考虑的问题是故障会在何时发生。
It's never a matter of if a disk failure will occur but rather a question of when it will happen.
那不是你，它仅是一些正在发生的事情，一种已经出现的力量。
It is not you. It is merely something happening, an energy that has risen.
如果在“完成”之后出现问题，又会发生什么？
但是，如果出现系统电源故障或者崩溃，又会发生什么情况呢？
But what happens in the case of a power failure or system crash?
这种情况可以出现一次，也可以根本不发生。
如果没有出现这种情况，领导就应该采取措施避免其发生。
If this does not happen, then the leadership must take steps to avoid it.
变更可能先在主干中发生，而不会先出现在我的工作分支中！
Changes might be made in the trunk, without being made in my work branch first!
但是几乎没人确定接下来会出现谁或者会发生什么。
这里出现了什么吗，发生了什么事吗？
如果在两阶段提交处理过程中出现网络连接故障，会发生什么情况？
What happens if there is a network connection failure during two-phase commit processing?
不过，每隔数百年，当这种大东西出现时，麻烦也发生了。
The problem, though, occurs every few centuries when something big this way comes.
如果出现故障将会发生什么？
糟糕的日子通常出现于当一连串小挫折连续发生时。
Bad days generally occur when a number of little frustrations happen in succession.
不必仓促行事，该发生的总会发生——因了最巧的机缘，在合适的时间出现了合适的人。
There's no need to rush. If something is meant to be, it will happen - in the right time, with the right person, and for the best reason.
这会在极移期间发生，因而在这之前那里是不会出现定居点的。
This will occur during the pole shift, so settlements cannot occur there before this time.
索：当那发生时，又会有人出现，取代我的位置。
Sonia: When that happens, someone will appear before you to take my place.
通常情况下，国家只有在发生不好的事情时才会在新闻的大字标题中出现。
COUNTRIES generally hit the headlines only when the news is bad.
当这种情况确实发生时，奇怪的记录可能出现在你的笔记上。
When this does happen, strange things can happen to your notes.
布赖恩︰中国人相信夏天会有较多鬼怪的出现和疾病的发生。
Bryan: Chinese believe there are more ghosts and sickness1 in summer.
尽管回想起来一切似乎都是慢慢地出现的，可是这却是眨眼间发生的。
It happened in a flash, although in retrospect everything seemed to occur in slow motion.
由于出现预算不足，可能发生更多裁员。
Because of a looming budget shortfall, more layoffs are likely to happen.
此时满月发生在巨蟹的中天，另一半出现。
此时满月发生在巨蟹的中天，另一半出现。
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