Back end queries are run in threads and paralleled because they might take some time to complete, especially if complex searching or network access is required to provide results.
因为后端查询可能要花费一定的时间，特别是在需要通过复杂查询或是需要访问网络才能得到结果的情况下，花费的时间会更长，因此，后端查询是在线程中并行执行的。
Make the best use of your time today and in 6 months or a year you'll be able to look back and see how much you've learned.
充分利用你今天的时间，半年或一年后你可以回头卡哪款呢你学习了多少。
On the other hand, you might find that one or both of you have changed so much in the time that has passed that there is NO going back.
另一方面，你或许会发现随着时间飞逝，你们中的一个或者两个都已经发生了很大的改变，并且不会有可能重回过去。
Or getting stranded in time, and not being able to come back.
或者被卡在时间的漩涡里不能回到现实世界中。
A sawtooth wave rises (or falls) in a straight line from a starting point to an ending point, at which time it instantaneously jumps back to the starting value.
锯齿波从某一始点到某一终点沿着一条直线上升(或者下降)，在终点的时候它马上跃迁回其起始值。
"My expectation is that when you look back on these years you will look back and see a time when we put a stop against discrimination... whether in the office or the battlefield," Obama said.
奥巴马说：“我的期望是，当你们将来回头看看这些年，你会看到我们为歧视画上了句号……不管是在办公室里还是在战场上。”
Even back in the early moments of the big bang, when these areas were much closer together, there wasn't enough time for light - or anything else - to travel from one to another.
即使回到大爆炸刚开始的瞬间，那时这些区域还紧密地联在一起，仍然可以认为没有充分的时间可以使光线(或其他别的东西)从一个地方传送到另一个地方。
And barring a catastrophe, like a forced default on US debt, in another year or so we should be back, big time.
在抵挡住一场大灾难，例如美国庞大债务导致的违约后，经过一年左右的时间我们就能东山再起，并大有作为一番。
Your ex - will look back on this day and stew in her great remorse at having lost you every time her husband leaves up the toilet seat or farts in bed.
让你前任去回忆这一天，并且懊悔自己怎么就错过了你吧，特别是每次她的老公从马桶座圈上起身，或是在床上制造不雅气体的时候。
Using buttons, you can move forward or backward in time, to go back to any date and time in the past and return to the current time.
通过按钮能够在时间上前移或后移，能够回到过去的任意时间点，并且能够回到当前的时间点。
Let's pretend to go back in time, and observe life on Mars and Venus -before the planets discovered one another or came to Earth we can gain some insights into men and women.
让我们假装回到从前，观察火星和金星上的生活——在地球未彼发现或他们未来到地球以前——我们可以观察到男人与女人。
If that happens, it means that they will have been produced by particles that have gone back in time - or through another dimension - to pre-date the collision that produced them in the first place.
如果衰变产物出现，这意味着它们是由时光倒流回去或从其他维度来的粒子产生的，这些粒子则出现在产生它们的碰撞之前。
If you're in a relationship, stop flying off the handle - take time to assess the possible reasons why someone might not be calling back or is late coming home.
如果你拥有一段亲密关系，不能动不动就发脾气-而要花点时间想想原因：为什么对方没有回电话或者晚回家。
The terms used—“restructuring” or “reprofiling”—are fancy words for saying the money will not be paid back in full or on time.
“重组”或者“重置”这样的词只是个好听点的说法，意思就是说借出去的钱不能全部拿回来或者按时拿回来。
The researchers found that in the northern sky, the fine-structure constant gets smaller with increasing distance, or as astronomers look farther back in time.
研究人员发现在北方天穹，精细结构常数在越远的地方就越小，或者说天文学家所看到的过去越久远。
The data is also transferred to the owner's computer and stored in a file there each time the two devices are connected to carry out a back-up or synchronisation.
这些数据也会转移到用户的电脑上，并储存在文件中。 当移动设施和电脑连接时，它们变会完成备份或者进行信息同步。
So traveling back in time is nothing more or less than the fourth-dimensional version of walking in a circle.
因此，穿越时间回到过去就跟在第四维空间里走了一个圈没什么区别。
What you give in time or energy, you'll get back in gratitude.
你付出的是时间和辛劳，但你收获的是感谢。
Please tell us or notify in the list whether you need your clothes ironed, washed, dry-cleaned or mended and also what time you want to get them back.
请告诉我们或在洗衣单上写明您的衣服是否需要熨烫，水洗，干洗或缝补，还要写明何时需要取衣服。
Over thepast year in the Premier League there has been a turn back towards4-4-2 (or 4-4-1-1), but single striker systems remain common and inSpain 4-2-3-1 has been the default for some time.
去年，回归4-4-2（或4-4-1-1）之风在英超盛行，但单前锋体系依然占据主流地位4-2-3-1更是在西甲盛极一时，成为诸队的默认战术。
Go back in time and recall the most boring class you took in college. Do you, or do you not, remember the one time you made a comment that was brilliant — or at least you thought it was.
再回想一下你大学时最无聊的一堂课，你又是否还能记起你曾经做过的最精彩的回答，或者至少你自己认为最精彩的。
At the same time, midlife is a time to nurture and give back, whether by having children or engaging in mentoring or social activism.
同时，中年还是抚育和给予的时期，要么生养孩子，或者是忙于指导或社会行动。
Think back to the last time that you beat a friend at a card game or outdid your previous record in a 5k race.
想一想上次你在和朋友玩纸牌时获胜了，或是刷新了5公里赛跑的记录。
I don't think there are any worries with him in terms of me personally or what we're doing.I think the concerns go back once again to the time before I came to the club.
依照我个人的看法，对他没有什么可担心的，我认为在我来到俱乐部之前，已经再一次关注他了。
I don't think there are any worries with him in terms of me personally or what we're doing. I think the concerns go back once again to the time before I came to the club.
依照我个人的看法，对他没有什么可担心的，我认为在我来到俱乐部之前，已经再一次关注他了。
I don't think there are any worries with him in terms of me personally or what we're doing. I think the concerns go back once again to the time before I came to the club.
依照我个人的看法，对他没有什么可担心的，我认为在我来到俱乐部之前，已经再一次关注他了。
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