The word order of "altitudecommand" and "relative altitude" indication is a subject worthy of further study.
“高度指令”和“相对活动高度”提示的语序问题是一个值得进一步研究的课题。
2
Moreover, a camera is connected with the display screen, which facilitates the real-time monitoring of ground service staff on high-altitude lines so that command can be output.