施工企业面对日益苛刻的合同和变化多端的市场，需要从内部管理中挖掘潜力，实现盈利，增强市场竞争力。

Construction enterprises facing increasingly harsh contracts and the most changeful market need to tap potential from internal management, realize profit and increase market competitiveness.

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因此，早在2000年合同签订之前，一个关于飞机在炎热条件下操控的实际且苛刻的要求，及相关的操控方案被确定下来。

Therefore, in 2000 prior to the contract award, a realistic but demanding requirement for the aircraft to operate in hot conditions, and within a range of realistic operational scenarios, was set.

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合同条款的第5顶我们觉得对我们太苛刻刻了，我希望你们能放弃。

We feel that Clause 5 in the contract is too hard on us, so we hope you can give it up.

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