基本解释循壞小數同根派生 circulating decimal相关词词组短语短語period of circulating decimal 小數的循環節pure circulating decimal [數]純循環小數period of a circulating decimal 小數的循環節circulating decimal更多词组英英字典柯林斯英英字典 &rarranother name for recurring decimal circulating decimal剑桥字典circulating decimal柯林斯字典专业释义數學循環小數