@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix ns1:	<http://cat.aii.caas.cn/concept/> .
@prefix ns2:	<http://aims.fao.org/aos/agrovoc/> .
ns1:c_23421	skos:narrowMatch	ns2:c_3479 .