初轨

  • 网络primitive orbit; preliminary orbit

初轨初轨

初轨

primitive orbit

1,A ring,A 环2,A... ... 6433,primitive nebula, 原(星)云 6434,primitive orbit, 初(始)轨(道) 6435,principal focus, 主焦点 ...

preliminary orbit

1,A... ... 6393,preliminary designation, 初步命名 6395,preliminary orbit, 初(始)轨(道) 6396,pre-main sequence, 主星序前 ...

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