invariant function

• 不变函数

invariant function的用法和样例：

例句

1. The charaters after affine transformation can also be recognized by a dyadic wavelet affine invariant function.
   仿射变换后的汉字或其它图像可用多尺度小波的仿射不变函数进行对比识别。
2. Maximum modulus principle plays an important role in the complex analytics, and it is a powerful tool in studying the analytic function.
   摘要最大模原理在复变函数论中占有重要的地位，是研究解析函数的有力工具。