Terms containing preliminary orbit

Subject	English	Chinese
space	preliminary orbit	初始轨道
space	preliminary orbit	初轨
space	preliminary orbit	最初轨道
tech.	preliminary orbit	初步轨道
space	preliminary orbit calculation	初轨计算
space	preliminary orbit calculation	初始轨道计算
space	preliminary orbit determination	初轨确定
space	preliminary orbit determination	初始轨道确定
space	preliminary orbit determination method	初步轨道确定方法
el.	preliminary orbit determination method	初步轨道确定法
avia.	preliminary orbit determination method	初始轨道确定方法