Arid region and semiarid region
Bachu Region of Xin jiang Autonomous Region
Electric power transmission from western region to eastern region
a voice in the wilderness
wilderness area sunlight greenhouse
wilderness adventure group
Greater China economic region
16s~23s rRNA intergenic spacer region
16S-23S rDNA intergenic spacer region
16S-23S rRNA spacer region gene
16S-23S rRNA间区基因
16S-23SrRNA间区基因
2009 Samoa Islands region earthquake