clearoutn.清理clearadj.清楚的；明确的；明白(某事)的；清晰的；清澈的；晴朗的；头脑清醒的v.清空；清除；澄清；放晴；使明确adv.清楚地；彻底地n.空地clear-cut decision明确的决定clear-line-imagen.明线图像；透明行式影像clear cutting forest皆伐林clear channel coding净信道编码Clear Direction Flag清除方向标记clear water concrete清水混凝土clear blending value净调和值,不加四乙铅的调和辛烷值closing[测]闭合值clear request signal拆线请求信号clear entry function清除输入操作clear-cut majority明显的过半数