handwritten numerical的用法和樣例：
例句
- Finally an improved algorithm aiming at a practice problems of handwritten numerals is given.
並且針對手寫數字識別的一種實際問題，給出改進的細化演算法。 - Finally, experimental results on handwritten numeral characters show that the proposed method is effective and feasible.
最後，用手寫數字字元識別實驗來驗證提出的演算法是可行和有效的。
