A hydraulic step cylinder system (HSCS) used as a new kind of nuclear control rod driving system is driven by dynamic pressure.

水力步进缸系统是以流体动压为动力的反应堆新型控制棒驱动装置。

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Japan has been trying to bring its nuclear crisis under control, but the spread of radiation has raised concerns about the safety of the nuclear energy.

日本一直在努力控制核危机，但是核辐射的蔓延已经引起了人们对核安全的担忧。

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The United States and Russia have reached a deal on their most extensive nuclear arms-control agreement in nearly two decades, the Kremlin announced Wednesday.

克里姆林宫20日公布，美国和俄罗斯已就其最广泛的近20年的核军备控制达成的协议。

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President Medvedev says Russiaand India want peaceful nuclear technology to remain under the strict control of the International Atomic Energy Agency.

VOA: standard.2009.12.08

Mr.Sarkozy said France's nuclear arsenal would remain outside of NATO's control -- as is the case with Britain and the United States.

VOA: standard.2009.03.11

Yu said participating in PSI will help control North Korea's development of dangerous nuclear materials.

VOA: standard.2009.05.26

Conservative Republicans are looking to Mr. Kyl, a longtime conservative voice on nuclear arms control, for direction.

WSJ: Republican Sees No Russia Arms-Treaty Approval This Year

My old mentor at Georgetown University, Dr. Stephen Gibert, explained to me how this logic applies to nuclear arms control.

FORBES: Nuclear Weapons: How Few Is Too Few?

Vice-President Joseph Biden has warned the US that failure to ratify a new nuclear arms control treaty with Russia will "endanger our national security".

BBC: Biden warns failure to pass nuclear treaty endangers US