操纵安全 meaning in English

manoeuvring safety

Install a drivers vigilance device in each tram car to enable trams to brake automatically during emergencies
(甲)在每辆电车安装无人操纵安全系统，以确保一旦发生紧急事故时，电车可自动刹停；
The research provides with the reference for the pilots and captains on safe control of the vessel maximum velocity with tugboat assistance . it brings forward a new research field in safety assessment of vessel operation , and a new idea to develop the ship - handling simulator
本文的研究结果为引航员和船长安全地控制拖轮助操工况下本船的航速提供了参考依据，为船舶操纵安全评估提出了新的研究方向，也为船舶操纵模型器的研制与开发提供了新思路。