This system has realized automatic operation, mistake prevention, alarm and interlock protect functions, and taken precautions against the boiler accidents.

该仪表系统实现了自动操作、失误防护、报警及连锁保护等功能，对锅炉各类事故有积极的预防作用。

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Taking two actual blasting projects as an example, precautions against flying rocks, which are taken aiming at the concrete conditions, are introduced.

以两个实际爆破工程为例，介绍了针对具体情况所采取的飞石防范措施。

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We have taken necessary precautions against swine flu.

我们已经采取必要的预防猪流感措施。

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