Nuclear proliferation has returned to centre stage in international affairs.

核扩散又成了国际事务中的中心议题。

《柯林斯英汉双解大词典》

At one stage an unprotected person at the main gate would have received the maximum allowable yearly dose for a nuclear-industry worker in a matter of hours.

在处理此次事故中的工作人员，由于没有保护手段，数小时内接受的辐射量相当于人一年内接受的辐射最大剂量。

youdao

ABSTRACT: Commissioning is an important stage during the construction of Nuclear Power Plants (NPPs).

摘要：调试是核电厂建设的重要阶段。

youdao

And this will set the stage for further cuts, and we will seek to include all nuclear weapons states in this endeavor,"

VOA: standard.2009.04.08

The North also said it had reached the final stage of a uranium enrichment program, possibly creating a second process by which it can build nuclear arms.

VOA: standard.2009.09.06

In fact, as former assistant secretary of defense Frank Gaffney points out, the North Korean nuclear program reached its frantic climactic stage precisely during the current American moratorium on nuclear testing.

CENTERFORSECURITYPOLICY: Test-Ban Trap

"Release of nuclear posture review will set the stage, " said a U.S. official involved in proliferation issues.

WSJ: U.S. Keeps First-Strike Nuclear Strategy

On Monday, he spoke of the U.S.'s commitment to both defend Israel on the world stage and to block Iran from obtaining a nuclear weapon.

WSJ: U.S. Targets Tech's Role in Oppression