logarithmn.[数]对数logarithmic horn对数式号筒,对数式纸盆logarithmic pole对数极点logarithm method对数法logarithmic unit[电] 对数单位logarithmic mean对数平均logarithmic code对数码logarithm period对数周期logarithmic horm[电] 对数式喇叭logarithmic value对数值logarithmic paper对数坐标纸,对数纸