Command decision-making timeliness
real timeliness of task
timeliness
及时性
时效性
研究
适时
及时
时效
实时性
时限性
管理系统
时间性
合时
长期有效
timeliness and effectiveness
transmission timeliness
3 D real time obstacle avoidance
a square - hole obstacle
ability of obstacle surmounting
airport obstacle limitation surface
anticollision and avoidance of obstacle
automatic obstacle avoidance