It concluded that, in principle, it would indeed be possible to develop a replacement warhead without conducting any new nuclear tests.

该团队总结道，从原则上讲，开发一个无需进行新的核试验的替代弹头的确是有可能的。

youdao

The annexe said Iranian scientists had engaged in "probable testing" of explosives arranged in a hemisphere, which is how an implosion-type nuclear warhead is triggered.

这份附件称，伊朗科学家可能已经进行了一项在半球内的爆炸测试，这正是内爆型核弹头引爆的方式。

youdao

Scientists will soon be able to observe the first instants after a nuclear warhead detonates.

科学家不久将能观察到核弹头爆炸的第一瞬间。

youdao

But some western defense analysts believe the Shahab-3 is capable of carrying a nuclear warhead.

VOA: standard.2009.09.28

The highlights were several new missiles, including a ballistic missile that can carry a nuclear warhead and another one that has been nicknamed the "aircraft carrier killer."

VOA: standard.2009.10.01

The New Start treaty limits each side to no more than 800 deployed nuclear warhead delivery systems including bombers, missile launchers and nuclear submarines - a cut of about 50%.

BBC: US-Russia New Start nuclear treaty comes into effect

It rebuffed efforts by Secretary of Defense Robert Gates to develop a next-generation nuclear warhead.

FORBES: Nuclear Weapons: How Few Is Too Few?

It is not thought to have a missile capable of carrying a nuclear warhead.

BBC: North Korea tells South to leave islands