The National Day is a day picked by the participatingcountry, to offer activities for cultural exchanges in the pavilion or in the Expo site.
国家馆日活动是指参展国家选择某日作为本国馆庆日，在本国展馆或园区内主办的文化艺术交流活动。
2
A nominee from each participatingcountry - decided in August - will be invited to Dyson laboratories to participate in a workshop run by Dyson engineers.
从每个参与国家代理人-在8月决定-戴森将被邀请参加由实验室戴森工程师运行研讨会。
3
Each participatingcountry (Region) must select 1-6 proctors who will assist the organizers in maintaining discipline in the classroom during the contest.