对于大于1的任意整数r,给出了(r-1)-平坦的二元函数芽f是有限R-决定的一个充分条件,得到了在该条件下计算f决定性阶数的精确公式.
For any integer r,where r〉1,a sufficient condition for the finite R-determinacy(r-1)-flat function germs of two variables is given.Under this condition,an accurate formula for computing the order of determinacy is obtained.