Defines simple text field types.
定义简单文本字段类型。
Field widths for specific data types, such as four digits for a year.
特定数据类型的字段宽度，比如用四位数字表示年份。
The main parts of change in land use types are paddy field and dry land.
土地覆被发生变化的部分以水田和旱地为主。
There are three different types of background, field, street and industrial.
现在有3种不同的背景，球场、街道、工业园区。
There are three different types of background, field, street and industrial.
现在有3种不同的背景，球场、街道、工业园区。
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