displaced threshold中文什么意思

• 移位的着陆入口
• 移位阈限

• displace:    vt. 1.换置，移置；顶替，取代。 2.取代…的职位； ...
• threshold:    n. 1.门槛；入口，门口。 2.【心理学】阈限。 3. ...
• displaced:    换行攻击; 排代的; 位移的排水的被取代的; 移位的
• at the threshold of:    在的初期; 在...的开始
• on the threshold:    在门口

百科释义

A displaced threshold is a runway threshold located at a point other than the physical beginning or end of the runway. The portion of the runway so displaced may be used for takeoff but not for landing.