求翻译：根据“科隆会展晴雨表”研究报告显示，2011年，科隆共举办42，923个会议项目，与会总人数达340万人；较2010年相比，会议数量同比增长0.4个百分点，参会人数上升3.3%。是什么意思？

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According to the Cologne fair barometer" study shows that in 2011, the Cologne organised a total of 42,923 of the total number of participants at project, up to 3.4 million people; more than 2010 years, the number rose 0.4 points, a 100 increase in the number of people who will be 3.3 per cent.

“Can unfold the barometer according to Cologne” the memoir demonstration, in 2011, Cologne altogether conducts 42,923 conference projects, the attending total number of people reaches 3,400,000 people; In 2010 compares, the conference quantity same ratio grows 0.4 percentage point, the senate meets

Under the "Cologne exhibition barometer" study shows, in 2011, the Cologne 42,923 meetings organised projects, participating in a total of 3.4 million people; more compared to 2010, Conference number, up 0.4%, registration number 3.3%.

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