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Terms for subject Space containing Ground Level | all forms | exact matches only | in specified order only
| English | Chinese |
| absolute ground level | 绝对地平面 (高度) |
| ground level | 地平面 |
| ground level interference filter | 地平面干扰滤波器 |
| ground-level event | 地面事件 |
| launching level ground | 发射场坪 |