求翻译：系主任办公室通知:兹定于10月24（星期五）上午9点在教学楼401室，由亨利.史密斯博士给商务系2005级37班上英语公开课，全体英语老师务必出席，欢迎其他系科老师参加是什么意思？

Dean's Office notice: It is 9:00, 10, 24 (Friday) in Room 401, Teaching Building to the Commerce Department, by Dr. Henry Smith 2005 37 class English open class, all English teachers must attend, we welcome other faculties teachers to participate

informed by the Office director of the department: it was scheduled for October 24 (Friday) 9 a.m. in the teaching building, room 401 by Dr. Henry Smith, 2005 for the Business English class at 37 public courses, be sure to attend all the English teachers, teachers participate in other systems

Department head office notice: It is now determined in October 24 (Friday) morning 9 o'clock in classroom building 401 room, by Henry. Dr. Smith is 2005 levels of 37 class of on English male teaches a course for the commerce, all English teacher attends, welcome other is by all means must branch tea

Dean's Office notification: it is scheduled for October 24 (Friday) at 9 o'clock in the morning in the teaching building, Room 401, Henry. Dr Smith to 2005 levels 37 classes on public English course of business, all English teachers must attend, other teachers are invited to attend

正在翻译，请等待...