短語詞組短語stepped reckoner 步進(jìn)計(jì)算器ready reckoner 簡便計(jì)算表;計(jì)算便覽ALHASIB RECKONER 可依靠者liquidator reckoner 清算人HASIB RECKONER 可依靠者The Sand Reckoner 沙計(jì)算手冊;數(shù)沙者;數(shù)沙術(shù)Sand -Reckoner 沙數(shù)計(jì)量The sand -reckoner 數(shù)沙器 返回 reckoner