normal eye正常眼力normaladj.正常的；正规的；精神健全的n.常态；标准normal cellular growth inhibiting factor正常细胞的生长抑制因子normal voltage electrophoresis apparatus低压电泳仪normal conformal secant conic projection正轴等角割圆锥投影normal-incidence absorption coefficient正入射吸收系统Normal University speciality construction专业建设normal universities and teacher's collegesnormal pressure open-system hydrothermal常压开放水热normal universities and teachers' collegesnormal circulation slewing drilling machine正循环回转钻normal temperature air flameless combustion常温空气无焰燃烧