Look up the character you want to learn, then you will learn the character's structure, radical, demo, phrase, explanation, example and pronunciation at the same time.
2
文中解决了空间数据库中属性的汉字显示问题，并且实现了数据的按比例显示和一些简单的空间属性查询等。
Attributes of spatial database show with Chinese characters, it can show the data according to the scale, the system also can do some easy select and so on.
3
可以用汉字，第一个拼音首字母，或者英语进行查询。
You can use Chinese, first letter of pinyin or English to search.
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