English to Chinese Science

Meeting / Banquet Pre-Function 28,000 sf：

Ballroom prefunction 3,800 sf
Ballroom (4 sections) 13,000 sf
Jr. prefunction 1,200 sf
Jr. ballroom (4 sections) 4,000 sf
Tiered learning center 2,500 sf
Boardrooms: 2 @ 350 700 sf
Breakout: 2 @ 550 1,100 sf
Conference: 2 @ 1000 2,000 sf

I like this answer from the English forum:

breakout

Breakout rooms are other meeting rooms (that are sometimes smaller) that are used when the large group is split into smaller groups. For example, there may be a large group attending a training session in the boardroom, but part of the training may include group work. Therefore, the participants split into smaller groups and work on a certain assignment. They need a breakout room so they are able to talk without being distracted by the other groups. When they are done with the assignment in the breakout room, they return to the boardroom to congregate and present their results.

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Note added at 10 mins (2003-12-14 02:22:59 GMT)
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the sense of "break" here is not "to take a break", but rather large groups "breaking out" (splitting) into smaller groups.

Thanks!