A—to hold a meeting
B—working party
C—meeting in cinema
D—opening sitting
E—final sitting
F—formal sitting
G—plenary meeting
H—study group
I—budget committee
J—drafting committee
K—committee of experts
L—advisory committee
M—board of directors
N—executive council
O—standing body
P—comrnittee ( )秘密会议 ( )执行委员会