双方明确书面同意后，上述销售目标条款可在协议期间，或在不超过5年的附加期限内延续，取较短的时间周期。

Upon express written consent by the parties, the above sales target provision can be renewed for the duration of the Agreement, or for an additional term up to 5 years, whichever is shorter.

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根据为期20年的合同中的条款，BP和CNPC有六年时间把鲁迈拉油田产量提高到每天285万桶的最低产油目标。

Under the terms of the 20-year contract, BP and CNPC have six years to increase production at Rumaila to a minimum output target of 2.85m barrels per day.

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