Nowadays, in the power net structure of our nation, 300mw generate set has become the main set, the problem of how to ensure the safe operation has been confront the theorist and practic workers.

目前，在我国的电网结构中，300 MW火电机组已日益成为骨干，因此，如何保证这些机组的安全运行，是当今的理论工作者和现场实际工作者面临的问题。

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The main business of our country's banking was, now is, and will be in the long term, deposit & loan traditional operation, etc.

我国银行业曾经是、目前是、今后相当长的时期内是以经营存贷等传统业务为主。

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Africa is the main route for the main body in the operation of such business, our company have accumulated a wealth of knowledge and experience.

主要是以非洲航线为主体，在经营此类业务上，我们公司已积累了丰富的知识和经验。

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"The detailed plan that we've put together is very robust and that is the main drive for our search operation, " he said.

BBC: April Jones: Police search of Machynlleth nearly complete

Techniques developed to deal with interlinked, heterogenous data acquired by massive web companies will be our main tools as the rest of us transition to digital-native operation.

FORBES: Big Data is Creating A Digital Nervous System