Linear An.(古希腊的)A类线形文字linearadj.直线的；长度的；线性的linear focusing直线聚焦Linear Programs线性程序linear diameter线直径Linear smoother线性光滑linear charging线性充电linear contents长, 长度linear syllabus线性教学大纲linear adjuster线性执行机构linear cleavage线状劈理linear velocity线速度