Though the 21st century has come, the definition problem remains unsettled.

时至21世纪，定义问题依旧悬而未决。

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In the research of primary spectrum pyrometry, this paper discussed the definition problem of radiation temperature measurement area based on the measurement coordinates.

文章讨论了谱色测温系统研究中，基于测温坐标系的辐射测温区域的界定问题。

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We have a problem with definition.

我们的定义有问题。

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How do you know that your parents, at least one of your parents satisfies the definition? Well I've reduced the problem from am I a natural born US citizen to is one of my parents a natural born US citizen?

这是一个递归的定义，你怎么知道你的父母,至少其中一个是满足天生的美国公民,这个定义的呢？,我已经把我是一个天生的美国公民这个问题？

麻省理工公开课 - 计算机科学及编程导论课程节选

The Gallup poll shows the usual partisan divide over both the definition of the problem and potential solutions.

FORBES: Pledging Our Way To Fiscal Disaster

Each definition of the problem presumes a solution.

FORBES: SMAP: Solutions Masquerading as Problems

But what you can agree on is a definition of the problem, a framework for how to approach addressing the problem, and some targets and goals about how you achieve some accomplishments towards a solution.

WHITEHOUSE: Press Briefing