English translation for "reference mark on observation well"

观测井固定点

Related Translations:

orbit observation:  轨道观测

ground observation:  地面观察

meridian observation:  中天观测子午线观测

runway observation:  跑道气象观测

project observation:  项目检查

direction observation:  方向观测

observation place:  观察位置

participant observation:  (社会学家等通过参加研究对象的活动进行的)现场观察研究。

observation instrument:  观测仪器

systematic observation:  系统观测系统观察

Similar Words：

"reference manage" English translation, "reference manual" English translation, "reference map" English translation, "reference margin" English translation, "reference mark" English translation, "reference marks" English translation, "reference mass" English translation, "reference master gauge" English translation, "reference material" English translation, "reference material lists" English translation