This may include the preparation of presentation materials. They also prepare routine correspondence and compile data, statistics and other information.

这包括编写简报材料，准备日常信件和汇编的数据，统计数据和其他资料。

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For further understanding of the Eperythrozoonosis, the author summarizes the materials at home and abroad and gives a systematic presentation of Eperythrozoonosis.

为了提高对本病的认识，作者综合了国内外的资料，对本病进行了系统的介绍。

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This article discusses how to deal with the coherence, redundancy and relation concepts as well as the simplification of presentation and symbolization in teaching materials of discrete mathematics.

本文讨论了离散数学教材中严密性的一致问题，冗余概念问题，相关概念的一致问题及表述的简化和符号化问题。

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In 2008, one Defense Department agency held a conference, and then posted some of the presentation materials online, including the names and email addresses of the 50 or so attendees.

WSJ: Cyberspies Target China Experts in U.S.

The reported incident against a nuclear facility, which the department did not specifically name, was found to be the result of a USB drive that an employee had used to download presentation materials onto a laptop.

CNN: Homeland Security cites sharp rise in cyber attacks

Soon after, the attendees, mostly defense contractors, received emails that purported to be from one of the presenters at the conference and included an attachment that claimed to be his presentation materials, according to a person familiar with the incident.

WSJ: Cyberspies Target China Experts in U.S.