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doble tax query

$tax_query = array(
	'relation' => 'AND',
	array(
		'taxonomy'         => 'tipo_de_analisis',
		'terms'            => 'premium',
		'field'            => 'slug',
	),
	array(
		'taxonomy'         => 'par_de_divisas',
		'terms'            => 'USD/CAD',
		'field'            => 'name',
	),
);