along coastal region border region

Arid region and semiarid region

Bachu Region of Xin jiang Autonomous Region

Electric power transmission from western region to eastern region

gas conduction from western region to eastern region

infra-black region (blacker than black region)

Greater China economic region

‘knee’ region

“The three rivers”region

10+3 region

16S~23S rDNA Ribosomal-Spacer-Region

16s~23s rRNA intergenic spacer region

16S-23S rDNA intergenic spacer region

16s-23s rRNA Ribosomal-Spacer-Region

16S-23S rRNA spacer region gene

2009 Samoa Islands region earthquake

28S rDNA D2 region

2-D histogram region θ-division

2-dimensional bounded region