To understand the carbon dioxide concentration distribution office, the office that day experiment were divided into nine regions, each region of about 8 meters × 11 meters, an area of about 99 square meters. The measurement results are shown in Table 2, the measurement results for the highest office within the period of the carbon dioxide concentration measurement results. No. TS 08, TS 02 and TS 03 is a high concentration of carbon dioxide in the office area, the reason is that many people in and out the office entrance, and is placed in this area three photocopying machines, plus access to personnel frequently use electrical equipment, such these two regions a higher concentration of carbon dioxide
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