属性

数据类型ID

必须?Optional

长度Min 0 / Max 3

Codes (18)

• 1Parent
• 2Child
• 3Peer, internal
• 4Peer, external
• 5Finish to start constraint
• 6Start to start constraint
• 7Finish to finish constraint
• 8Start to finish constraint
• 9Owner
• 10Contact
• 11Spouse
• 12Sibling
• 13Father
• 14Mother
• 15Neighbour
• 16Friend
• 17Guardian
• 18Connecting to