op

[ɔp]

abbr. 观测点(=Observation post)

详细释义：

abbr.

1. =old prices 原价

2. =open policy 【商】不定额保险单, 开口保险单

3. =out of print 已绝版的; 已售完的

4. =operation

5. =optical probe 光学探头