属性

数据类型ID

必须?Optional

长度Min 0 / Max 3

Codes (13)

• 3Approximately
• 4Equal to
• 5Greater than or equal to
• 6Greater than
• 7Less than
• 8Less than or equal to
• 9Average value
• 10Not equal to
• 11Trace
• 12True value
• 13Observed value
• 14Marked
• 15Out of range