问题: 磁罗盘的航向测量范围和航向精度都是多少？
Cypher查询:
match (:ENTITY{name:'磁罗盘'})-[:Relationship{name:'航向测量范围'}]->(n) return n.name as name union all match (:ENTITY{name:'磁罗盘'})-[:Relationship{name:'航向精度：'}]->(m) return m.name as name
查询结果:
：0~360°。