单词	null--indicator
释义	indicator， null零位指示器
随便看	regional gravity -magnetic survey regional gravity map regional growth regional health authority 地区卫生管理局 regional hydrogeology regional hydrology regional hydropower development planning regional ileitis regional ileitis [=regional enteritis regional ileitis [=regional enteritis; crohn's disease] regional ileus regional immunity regional immunity ; local immunity regional inequality regional innovation capability regional innovation network regional innovation systems regional input-output model regional interconnection regional interpretation regionalisation regionalise regionalism regionalisms regional isopach map