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| 空中等待最低高度; 最低等待高度 (为等待模式指定的最低高度，它遵从越障要求,并能确保无线电信号和导航设备良好的接收。最低等待高度提供在等待区障碍物之上至少1000ft (300m)的间隙。将要公布的最低等待高度应该圆整到最近的100ft 或50m,如果不指定等待高度,则用下面的仪表飞行规则:①在指定的山脉区域，距航线5mile的水平距离内,在最高障碍物之上2000ft；②除山区外的其他区域距,航线5 mile 的水平距离内，在最高障碍物之上1000 ft ；③在其他情况下，指空中交通管制部门或经营者认可的标准) | |||
| English thesaurus | |||
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| The lowest altitude prescribed fora holding pattern that assures navigational signal coverage, communications, and meets obstacle clearance requirements | |||
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| MHA | |||
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