常見(jiàn)例句雙語(yǔ)例句In the paper, 50ETF, 50 index and synthetic indexes in Shanghai Securities Exchange are the research objects, in order to test the effective of trading.本文以上證50ETF、上證50指數(shù)和上證綜合指數(shù)的日收盤價(jià)格、日收益率序列為研究對(duì)象，以檢驗(yàn)其交易的有效性問(wèn)題。With 145 companies listed in Shanghai and Shenzhen securities exchange, the paper analyses the factors for corporation vertical strategic alliance establishment.本文以我國(guó)滬深兩地145家上市公司為樣本，對(duì)企業(yè)縱向戰(zhàn)略聯(lián)盟組建的影響因素進(jìn)行了分析。GST group offers financial investment services:the Shanghai and Shenzhen 300 stock index futures, the London gold, securities, foreign exchange, oil and global stock index futures.GST集團(tuán)提供的金融投資服務(wù)有：滬深300股指期貨、倫敦黃金、證券、外匯、石油、全球股指期貨。webboar.com 返回 the Shanghai Securities Exchange