descent guidance中文什么意思

弹道下降段制导

• descent:    n. 1.下降，降下。 2.下坡，倾 ...
• guidance:    n. 1.向导，指引，指导。 2.导 ...
• terminal descent guidance:    末段下降控制

例句与用法

1. Instrument landing system ( ils ) a standard icao precision landing aid to provide accurate azimuth and descent guidance signals for use by aircraft for landing on the runway under adverse weather conditions
   这是国际民航组织指定的标准精确著陆导向设备，提供准确的方向指示及下降指引讯号，即使在恶劣的天气状况下，航机亦能安全地在跑道上降落。
2. An ils is a standard international civil aviation organisation ( icao ) precision landing aid provides accurate azimuth and descent guidance signals for use by aircraft for landing on the runway even under adverse weather conditions
   这是国际民航组织指定的标准精确著陆导向设备，提供准确的方向指示及下降指引讯号，令航机即使在恶劣的天气状况下，亦能安全地在跑道上降落。