All the parties have realized the complexity of the Peninsula nuclear issue, whose resolution requires prolonged efforts.

各方都认识到半岛核问题的复杂性，解决半岛核问题需要长期努力。

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The two leaders also discussed the Iranian nuclear issue.

两国领导人讨论了伊朗核问题。

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The Iranian nuclear issue is at a highly critical juncture.

当前伊核问题正处于一个十分关键的时期。

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But he also said his country was willing to deal with a plan that protects Iran's rights, includes its independence and leaves out the nuclear issue.

VOA: special.2010.04.17

Ambassador Rice, told reporters the United States and its partners, have been pursuing a two-track approach to resolving the Iranian nuclear issue.

VOA: standard.2009.11.30

Seoul's main envoy on the nuclear issue, Wi Sung-lac, is scheduled to meet with his Russian counterpart in Moscow later this week.

VOA: standard.2009.06.22

The Bush administration's senior diplomat on the North Korean nuclear issue, is in Beijing today.

NPR: Few Clues Emerge to N. Korean Leader's Motivations

There's an expectation that 2013 will be the year of decision on the Iranian nuclear issue.

CNN: Don't expect an Obama-Netanyahu blowup

On the nuclear issue, he speculated, the Iranian regime would yield nothing under pressure.

NEWYORKER: Election, Monitored