ground control
noun
treated as sing. or pl.
- the personnel and equipment that monitor and direct the flight and landing of aircraft or spacecraft（监视和指引飞机或航天器飞行或降落的）地面控制人员（或设备）。
派生词
| 单词 | ground control |
| 释义 | ground controlnoun treated as sing. or pl.
派生词 ground controllernoun |
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