Both the physical and biological containment systems are divided into different levels.

物理和生物遏制分为不同的水平。

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If the containment systems fail, a catastrophic radioactivity release to the environment could occur.

如果控制系统出现故障从而导致辐射释放到环境中，一场灾难将可能发生。

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The warning comes after the plant was rocked by a third blast, which appears to have damaged one of the reactors' containment systems for the first time.

这份警告源于该工厂所遭受的第三次爆炸。爆炸看来已经导致核反应堆其中一个封闭系统的损毁。

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For aircrafts to return to flight, the will have to install the containment and venting systems for both the main and the auxiliary batteries, along with replacing the batteries and their chargers.

FORBES: Move up http://i.forbesimg.com t Move down

It has the most malaria cases in Asia, and with the healthcare system threadbare, it is ill-equipped to introduce systems for monitoring and containment.

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As many as 15 percent of the 5, 000 previously approved welds in the reactor's auxiliary plumbing, containment dome and spent-fuel cooling systems were X-rayed and found to be defective due to air pockets, poor soldiering and heat damage.

CENTERFORSECURITYPOLICY: A Chernobyl reminder just off our shores