We are also establishing new venues-like the Nuclear Security summit-to focus on specific problems.

我们也积极建立新的会议体系——如核安全峰会——将重点放在具体问题上。

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All these problems of international security agenda put forward a new challenge.

这些问题都对国际安全议程提出了新挑战。

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All these problems of international security agenda put forward a new challenge.

这些问题都对国际安全议程提出了新挑战。

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