uncertainadj.不确定的；不稳定的；易变的uncertain sweep width变扫描宽度,不确定扫描宽度uncertain malfunction非确定性故障uncertain information不确定信息uncertain measurement未确知测度uncertain environment不确定环境uncertain disturbance不确定扰动uncertain programming不确定规划uncertain manipulator不确定机械臂uncertain requirement不确定的请求uncertain short delay不定时延