A—to hold a meeting B—working partyC—meeting in camera D—opening sittingE—final sitting F—

A—to hold a meeting B—working party

C—meeting in camera D—opening sitting

E—final sitting F—formal sitting

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—committee

51. ()起草委员会 ()专家委员会

52. ()预算委员会 ()闭幕会

53. ()常设委员会 ()工作小组

54. ()秘密会议 ()招待委员会

55. ()咨询委员会 ()学习研讨会