Data mining is to extract knowledge from information.

For example , public security departments had their superiority in investigating cases , evidences and targeting suspects.

公安机关在调查取证、锁定犯罪嫌疑人等方面发挥了其特有的优势.

The police went out to collect evidence, but they still failed to gain anything after investigation.

警方去取证了,经过多方了解还是一无所获.

Data recovery is the basis of network forensic.

数据恢复是网络取证研究的基础.

Details of case is being further depth investigation and evidence collection.

此案详情正在进一步深入调查取证之中.

If you claim to be an expert in social media, you better be have an active presence online and have a good number of followers.

假如你声称自己是个社交媒体专家，你最好拥有一个活跃的在线主页，并拥有大量的关注者。

It takes consistent time and effort to be an expert in any area.

无论想成为哪个领域的专家，都需要付出同样的时间和努力。

The reason I know about this case is because I was asked to be an expert witness in the dispute, to explain the differences between the English and Chinese versions of the contract.

我之所以知道这个案子，是因为在这场纠纷中，我被请去作为一个鉴定证人，去解释合同中、英文版本之间的差异。

That doesn't mean that you need to be an expert in all of them, but it does mean you need to be able to complete most tasks using these languages without stopping to ask someone for help.

也不是说必须对这三门语言都非常精通，但你至少要能够运用它们完成大多数任务，而无需地频繁地寻求别人的帮助。

I want to be an expert in my own field.

我要在自己的领域成为专家；

He must be an expert in his military duties.

他还应熟悉其军事职责。

THE FIRST LADY: You'll see that you don't need to be an expert in military life to give back to those who give so much to us.

你将看到你不需要成为军队生活顾问专家，这些专家带给那些为我们付出很多的士兵很多帮助。

Travel them, and be expert in home-cosmography.

那末去旅行，成为家庭宇宙志的地理专家。

To help others ， you don't have to be an efficient expert in the art; the main thing is the intention.

你若想助人，并不一定要在助人的艺术方面猛下工夫，重要的是你有没有一颗助人的心。

I have never claimed to be an expert in this field.

我从来没有声称是这方面的专家。

Of the next four women who spoke, three started with a qualification or apology." I'm really too young to be an expert in anything," said Caitlin petre, 23.

接著四个发言的女人，有三个一开口就谈自己的资历或道歉。「我实在太少不更事了，不可能有什麽专长，」23岁的凯特林。派特瑞说。

To help others, you don't have to be an efficient expert in the art, the main thing is the intention.

想去帮助旁人，你不必是这值种艺术的能干的专家，主要的条件是意向。

She is supposed to be an expert in this field.

人们认为她在这方面是专家。

It's great to be an expert in your field, and it's flattering to be asked for your opinion or advice, but sometimes people cross the limits of personal and work-life boundaries.

成为你所在领域的专家感觉不错，别人征求你的意见或建议也让你颇为得意，不过有时候人们越过了个人交往和工作与生活平衡的界限。

I am however an expert in pretending to be an expert in various areas, so just randomly like everything else in this speech, I am or I was an expert in kissing on stage and on screen.

但我却是个善于在很多领域假装专家的专家。所以就像这篇演讲稍后将提到的其他事物一样，我是或者曾是个在舞台或银幕上接吻的专家。

( To Mr Taylor) Mr Taylor, as a brewer, you must be an expert in wine.

（对泰勒先生）泰勒先生，作为酿酒商，你肯定是位葡萄酒专家了。