但是，当潮头逆转时，由于无法判断组合另一半的风险以及其对冲把握，经济人们需要更多的资金安全保证。

But when the tide turned, its brokers wanted more security, as they could not judge the risk of its pairings and its hedges.

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即使是在动作游戏中你也能增加神秘有益的组合，逆转和悬念从而保持玩家对游戏的兴趣。

Even in an action game you can add a healthy mix of mystery, plot reversals, and intrigue to keep the player interested.

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该文研制了逆转刀辊与开式推土铲组合的切抛土部件。

A new type of optimum cutting and throwing soil component combining reverse rotational rotor with the blade with open type bulldozer blade was developed.

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