invariant function的用法和樣例：
例句
- The charaters after affine transformation can also be recognized by a dyadic wavelet affine invariant function.
仿射變換后的漢字或其它圖像可用多尺度小波的仿射不變函數進(jìn)行對比識別。 - Maximum modulus principle plays an important role in the complex analytics, and it is a powerful tool in studying the analytic function.
摘要最大模原理在復變函數論中占有重要的地位，是研究解析函數的有力工具。
