empty position短语¹¹⁴⁴⁶⁷⁺⁴ 基本例句 空位置 The correctness in computer simulation is confirmed:9 cells on the empty position are to be used with the movable probability of first floor adopted in the computer simulation. 也证实了采用取空位上9个单元并取第一层的移动概率进行计算机模拟的正确性。 cnki