Association rule mining is an important task of data mining.

1、

With the development of network technology, computer cryptology become a important task.

随着网络技术的发展, 计算机密码学已经成为科研人员日益关注的课题.

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2、

He was given an important task.

他被委以重任.

《现代汉英综合大词典》

3、

The boss forced this difficult task upon him.

老板强迫他做此难事.

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4、

The chief set me a difficult task.

上司派给我一件棘手的工作.

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5、

They have attempted a difficult task.

他们已经开始了一项艰难的工作.

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6、

You have attempted a difficult task.

你试图做一项艰难的工作.

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7、

My question is what was the most difficult task for you?

请问过去一年让你最感困难的是什么?

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8、

We have to leave that difficult task for the director to do.

我们不得不把那件困难的工作留给主任去做.

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9、

There remains a still more difficult task for us.

还有一项更艰苦的工作需要我们做.

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10、

As important as selection of managers is, it is an extremely difficult task.

选择管理者是重要的, 但是同时也是极其困难的事情.

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11、

She had the difficult task of pulling out all the weeds.

她的苦差事是拔除所有的杂草.

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12、

You are just practicing your religion, and while you are at it, why not do some multi-tasking? You want to find the person of your dreams?

你只是在实践自己的信仰，而既然你都这么做了，那为什么不一石二鸟呢？

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13、

Anti-pattern: Source files stay checked out of a repository for long periods of time due to the amount of changes required for tasking.

反模式：由于所需的修改太多，源代码长时间签出存储库。

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14、

Because on the contrary, multi-tasking can be a useful way to make the most of time that would have otherwise been used inefficiently.

因为与之相反，有时多重任务可以让你充分利用那些本来不能得到有效利用的时间。

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15、

It will take a little while for you to get used to single-tasking, if you are used to jumping from one thing to another and back.

如果你习惯于从一件事跳到另一件事，然后又跳回来，那你可能需要一段时间才能适应单一作业。

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16、

Multi-tasking; it seems that people are going to have big debates about this topic until the end of time.

多重任务处理；我想，在这篇文章过后，对于这个话题将会产生很多激烈的讨论。

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17、

The objective is to optimize the working revs area to make the engine work around the lowest consumption revs.

我们的目标是优化工作转速范围，使周围的最低消费转速发动机工作。

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18、

So I stayed in his slipstream and in the last five laps, put all the revs on the engine and tried to overtake.

所以我跟在他后面，而且在最后五圈中，我用到了引擎的所有转速，试图超车。

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19、

This 3-port USB hub responds when you throttle it, it revs and vibrates just like an actual motorcycle engine, please don't ask why.

当你减速时，这只三端口USB引擎轮轴才动作，它就像真实的摩托车引擎一样加速运转、振动。请别问为什么。

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20、

In terms of performance gains, the increment of horsepower depends on your car's air intake system while revs are smoother at higher rpm.

从性能的增加，增加马力取决于你的车的进气系统，而在较高转速是光滑每分钟转速。

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