The dynamic swing index transformation method of firsthand data sequence and GPPM (1) grey model is studed and set up.
研究提出了原始数据序列的动态摆动指数变换方法和GPPM(1)灰色模型。
Roughly a year later, gold approached $1, 000 again, with the credit crunch in full swing, the economy deep in recession and the S&P 500-stock index hitting a 12-year low.
大约一年后，金价再度逼近每盎司1,000美元关口，当时信贷危机全面爆发、经济深陷衰退、标准普尔500指数跌至12年低点。
He has set up limit orders for around a third of his clients to buy either a stock index fund or a commodity ETN in the event of a sharp swing.
他为大约三分之一的客户建立了限价订单，以便在发生急剧震荡的时候买进一只跟踪股指的基金，或者是一只跟踪大宗商品行情的ETN。
He has set up limit orders for around a third of his clients to buy either a stock index fund or a commodity ETN in the event of a sharp swing.
他为大约三分之一的客户建立了限价订单，以便在发生急剧震荡的时候买进一只跟踪股指的基金，或者是一只跟踪大宗商品行情的ETN。
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