lèi gǔ zhǐ shù · ㄌㄟˋ ㄍㄨˇ ㄓˇ ㄕㄨˋ · 更新 2026-06-30 00:09:55
类股指数指一种反映某特定行业市场活动的股票交易所综合指数。Sector IndexA stock exchange composite index that reflects the market activity of a particular industry.