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》

The move could bolster Iran's position amid long-running speculation that Israel might stage a bombing raid against Tehran's nuclear enrichment facilities.

此举将支持伊朗长时间进行核投机的立场，且以色列可能筹划一场轰炸行动抗击伊朗的核浓缩设施。

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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。

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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