Instead Sessions proposes a Partitioned Iterative Approach as a solution to address the complexity problem.

作为替代，Sessions提出了一个部分迭代方法作为复杂度问题的解决方案。

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The technology of pipeline is the most frequently used in modern product line. Pipeline problem is a typical NP-complexity problem with a solid background of the project.

流水线作业是现代生产线最常用的技术，流水线调度问题是具有很强工程背景的典型NP完全问题。

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And he committed himself in the coming weeks to taking steps that use the power of his office to help try to bring about changes that will address this problem, recognizing the complexity of the problem and the obstacles to potential solutions to the problem.

WHITEHOUSE: Press Briefing by Press Secretary Jay Carney,

Olson has branded tax complexity the most serious problem facing taxpayers.

FORBES: The 10 Most Confusing Parts Of The Income Tax Code

She has previously identified tax-code complexity as a top problem for taxpayers.

FORBES: Taxpayers' Biggest Problem? Congress, Says Report