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必不可缺
essential
Last Update: 1970-01-01
Usage Frequency: 1
Quality:
重申核裁军进一步取得进展有助于巩固国际核不扩散机制，这是国际和平与安全必不可缺的，
reaffirming that further advancement in nuclear disarmament will contribute to consolidating the international regime for nuclear non-proliferation, which is, inter alia, essential to international peace and security,
Last Update: 2016-12-04
Usage Frequency: 4
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