The proportion of Brazilian children with signs of the disorder, using an American definition, is about 5%—comparable with the United States.

按照美国的标准，巴西有ADHD症状显示的儿童比例约为5％——与美国大体相当。

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Fire Environmental requirements: If it is a large area of the booth must be exhibition area and the expected attendance in proportion to set up emergency access or exit and set up signs.

消防环境的规定：如果是大面积的展台，必须按展馆面积和预计的观众人数按比例设紧急通道或出口并设标志。

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Fire Environmental requirements: If it is a large area of the booth must be exhibition area and the expected attendance in proportion to set up emergency access or exit and set up signs.

消防环境的规定：如果是大面积的展台，必须按展馆面积和预计的观众人数按比例设紧急通道或出口并设标志。

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