They tell Anton that Nadya is dead due to them planting a nuclear explosive near his apartment building.

他们告诉安东，娜佳死了，因为他们在他的公寓旁边放置了一颗核弹。

youdao

According to the International Atomic Energy Agency, there have been at least 25 incidents of lost or stolen nuclear explosive material.

根据世界原子能机构提供的消息，爆炸性核燃料发生被盗或者丢失的事故至少有25次。

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Sensor networks to detect and characterize Chemical, Biological, Radiological, Nuclear, and Explosive (CBRNE) attacks and material.

传感器网络用来检测和识别化学，生物，辐射，核，和爆炸(CBRNE)攻击和材料。

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Pyongyang pulled out of the talks earlier this year. It also tested both a long-range missile and a nuclear explosive, in violation of United Nations sanctions.

VOA: standard.2009.10.10

North Korea pulled out of the talks earlier this year. It also tested both a long-range missile and nuclear explosive earlier in the year, in violation of United Nations sanctions.

VOA: standard.2009.10.05

The only other candidate as a nuclear explosive, enriched uranium, was (and remains) difficult to manufacture.

ECONOMIST: Glenn Seaborg

All of this helps to ensure that the nation will never have to return to nuclear explosive testing.

ENGADGET: NNSA Sequoia supercomputer takes worlds fastest title, prevents nuclear testing

"The application of such studies to anything other than a nuclear explosive is unclear to the agency, " the report says.

BBC: UN nuclear agency IAEA: Iran 'studying nuclear weapons'