An available name which either ( 1 ) is objectively invalid ( i . e . it is a junior homonym or a junior objective synonym of a potentially valid name , or must be rejected under the provisions of the code , or has been suppressed by the commission ) , or ( 2 ) is subjectively invalid ( because it is considered subjectively to be a junior synonym or to be inapplicable to a particular taxonomic taxon ) 一個(gè)適用名稱,如為( 1 )客觀地?zé)o效(亦即一個(gè)次異物同名,或一個(gè)可能有效名稱的次客觀同物異名,或?yàn)橐粋€(gè)在本規(guī)約規(guī)定下必須被摒棄或已被委員會(huì)禁制的名稱) ,或( 2 )主觀地?zé)o效(因?yàn)樵谥饔^上認(rèn)為是一個(gè)次同物異名,或不能應(yīng)用于一個(gè)特別的分類學(xué)分類單元者) 。