alphanumeric system

基本解释

The University of Ottawa's official grading system is alphanumeric, and it must be applied to all courses.
渥太華大學的的官方評分系統是一個包含數字與文字評分的系統，它應用於渥太華大學的所有專業課程。
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Alphanumeric:Contraction of 'alphabet and numeric' that refers to any system combining letters and numbers.
上標字符：放在內文字詞上角，較內文字爲細的字母或數字。蓡閲下標字符。
Now the system can achieve a recognition ratio of 94. 61%. The experimental result shows that the BP neural network can be used for handwritten alphanumeric character recognition successfully.
目前識別率爲94.61%，實騐結果表明，BP神經網絡可成功地用於手寫數字字符的識別問題。