英语语法分析

For example, interesting work has been done in numerics and for graphs.

比如在数值运算和图论方面都有了许多有趣的工作。

The EMPNO field only contains numerics and Unicode support is not needed.

empno字段仅仅包含数字，且不需要Unicode支持。

Of course aside from those characters, alpha-numerics are allowed and don't need to be encoded.

当然，从这些字符外，英文字母和数字是可以直接使用而不需要进行编码的：。