求翻译：秋季交流会，是一个持续几天的系列活动，所有不同年级不同地域的学生汇聚一堂，学习新的知识并交流学习心得。这包含几场大型论坛、竞技比赛、还有联欢晚会。是什么意思？

The fall of the exchange, a few days of an ongoing series of activities, brought together students of all different grades and different geographical one, to learn new knowledge and exchange ideas. This includes several large forums, contests, as well as Gala.

Autumn was a few days a series of activities, all of the different grades of students from different geographic locations together, learning new knowledge and learning exchange. This contains several of the large forums, contests, and gala.

The autumn meeting, is one continues several day-long series activities, all different grade different region student gathers a hall, studies the new knowledge and exchanges the what one has learned from study.This contains several large-scale forum, athletics competition, also has the evening party

Autumn fair, a few days is an ongoing series of activities, all students of different grades in different regions come together, learn new knowledge and exchange experiences. It contains several large Forum, athletic competitions, as well as Gala.

正在翻译，请等待...