step-function attitude demand signal阶: steps; stairs跃: leap; jump状: form; shape姿态: gesture; posture; one's bear ...指令: instruct; order; direct inst ...下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:阶跃状姿态指令信号,即可在微信中查询翻译