Innovation : Is it a breakthrough solution to a long - standing problem?

创新: 其是否针对某项一直未能解决的问题提出突破性的解决方案?

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Q: Have you ever resolved a long ? standing problem?

131问: 你解决过长期存在的问题 吗 ?

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How to strengthen the higher education of engineering in universities is a long - standing problem.

如何强化工程意识和实践能力是高等工程教育的难题.

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Human rights is long - standing problem, and is also one of present era hot topics.

人权问题由来已久, 亦是当今时代的热点问题之一.

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