Recognize that measures contributing to nuclear material security have value in relation to the security of radioactive substances and encourage efforts to secure those materials as well.

确认有助于核材料安全的措施对于放射性材料安全具有价值，并鼓励为确保此类材料的安全作出努力。

youdao

(Applause.) And next year at our nuclear Security Summit, we will advance our goal of securing all the world's vulnerable nuclear materials within four years.

(掌声)在明年核安全峰会(Nuclear Security Summit)上我们将推动的目标是，在4年之内使全世界所有处境危险的核材料得到妥善管理。

youdao

It will enable French and British scientists to model the performances of nuclear materials to ensure the "viability, safety and security in the long term of our nuclear arsenals," it said.

它将使法国和英国的科学家模拟核材料的性能，以确保“我们的核武库的可行性、和安全保障。”它说。

youdao

The conference is expected to look at improving security for nuclear materials worldwide and increasing international cooperation.

VOA: standard.2010.04.06

We also agreed that the most effective way to prevent terrorists and criminals from acquiring nuclear materials is through strong nuclear security -- protecting nuclear materials and preventing nuclear smuggling.

WHITEHOUSE: Nuclear Security Summit: Presidential Press Conference

We recognize the achievements made through the Nuclear Security Summits, including the removal and elimination of nuclear materials, minimization of the civilian use of highly enriched uranium, and worldwide improvements in a nuclear security culture.

WHITEHOUSE: The White House

Third, we reaffirmed that it is the fundamental responsibility of nations, consistent with their international obligations, to maintain effective security of the nuclear materials and facilities under our control.

WHITEHOUSE: Nuclear Security Summit: Presidential Press Conference