Adding a fuction of real speed voice prompting to LKJ-93 monitoring equipment effectively eliminates the contradiction between driver s operating method and observation during locomotive inverse operation,ensuring operation safety.

This article introduces the connotation and implication of maintaining a proper look-out,puts forward the idiographic methods and measures.

This dissertation demonstrates that marine accidents are mainly due to the failure of proceeding at a safe speed and maintaining a proper look-out according to the statistics and analysis of marine traffic accidents.

the process of lookout at sea is the process of collecting and processing information at sea with its focus on detecting and screening relevant information that threatens ships safety.