These watches are so powerful, hedging function, gold hedging reputation spreads.
这些表款往往具有强大的保值功能，因此，金表保值美名传。
The function of futures markets is price discovery, price risk hedging, and market efficiency improving.
期货市场的功能在于价格发现、价格风险规避及市场效率提高。
The function of risk transfer in futures markets mainly implements by hedging, so the key issue of futures markets is the determination of hedge ratio.
期货市场的风险转移功能主要通过套期保值策略来实现，期货市场套期保值的关键问题是套期保值比率的确定。
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