The software can provide stunning surround sound, heavy bass effect, create the perfect environment different from the sound field, gain the effect was very obvious.
该软件可以提供令人叹为观止的环绕音效、重低音效果，完美营造出不同环境的声场，增益效果非常明显。
To gain the perfect effect of hedging, it is a key to figure out hedge ratio.
要取得理想的套期保值效果，关键在于套期保值比率的计算。
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