This is the 4084th most frequent Chinese word.
区域性
Regional.
区域性 here describes the characteristic of a development that pertains to a specific region.
这次会议将讨论区域性发展问题。
This meeting will discuss regional development issues.
区域性 in this sentence indicates that the law's application or characteristics are specific to a region.
该法律的实施具有很强的区域性特点。
The enforcement of this law has strong regional characteristics.
区域性 describes the property of cooperation that involves or is limited to a certain region.