Both countries are signatories to the Nuclear Non-Proliferation Treaty.

两个国家都是《防止核扩散条约》的签约国。

《柯林斯英汉双解大词典》

India has not signed the Nuclear Non-Proliferation Treaty.

印度一直没有签署《核不扩散条约》。

youdao

The Nuclear Non-Proliferation Treaty signed by every single nation.

让每一个国家都签署《核不扩散条约》。

youdao

The cornerstone of this is the Nuclear Non-Proliferation Treaty, which considers only five countries as nuclear-weapons powers.

VOA: standard.2009.09.29

Israel is believed to have a nuclear arsenal, but has not signed the Nuclear Non-Proliferation Treaty and is not subject to international inspections.

VOA: standard.2010.04.11

India has said there is no question of its joining the Nuclear Non-Proliferation Treaty as a nuclear weapon state, saying nuclear weapons are an integral part of its national security.

VOA: standard.2009.09.29

The Nuclear Non-Proliferation Treaty was ratified in 1970 and reaffirmed by its signatories 10 years ago.

NPR: Nuclear Weapons Gain Importance for Regional Powers

Brazil is a party to the Nuclear Non-Proliferation Treaty since 1998 as a non-nuclear weapons state.

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Which brings us to the importance of their having signed the Nuclear Non-Proliferation Treaty.

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