求翻译：　历经两年多的申报工作，经过各有关部门的层层审查，汾州核桃于近日终于入选国家地理标志保护产品，成为老区吕梁首个入选产品。是什么意思？

　After two years of reporting, through layers of review by the departments concerned, fen Prefecture Walnut recently was finally elected to the national geography symbol protection product, becoming first wins in luliang in old products.