固定域的英文

例句与用法

1. Regular expressions can encapsulate a range of lexing patterns , from simple fixed fields to fairly complex nested patterns
   从简单的固定域到相当复杂的嵌套模式，正则表达式可以封装多种词法分析模式。
2. 2 based on the optimal filtering algorithm , the indirect algorithm of the optimal fixed interval smoothing is deduced with the correlation of system and observation noise at the same time . the operation quantity is reduced through the recursive expression of the indirect variable , so the algorithm is more practical
   第二，利用滤波算法的结果，推导出了这种系统在加性噪声同时刻相关时状态最优固定域平滑估计的间接算法，通过引入中间变量的递推表达，减少了运算量，使算法更实用。