Due to the asymmetry of explosive chemical material, there are many hard points scattered in its interior.

由于化爆材料的不均匀性，其内部随机分布着硬质点。

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An explosive chemical technique can now be used to identify individual molecules in biological samples, down to the single-cell level.

一项爆炸化学技术现在可被用于鉴定生物样品中的个别分子，其分析程度可达单个细胞水平。

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Sensor networks to detect and characterize Chemical, Biological, Radiological, Nuclear, and Explosive (CBRNE) attacks and material.

传感器网络用来检测和识别化学，生物，辐射，核，和爆炸(CBRNE)攻击和材料。

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Obama also called for "a review to ... figure out why an individual with the chemical explosive he had on him could get on a plane in Amsterdam and fly into the United States, " Gibbs said on NBC.

CNN: Obama orders review of flight screenings

We also intend to mitigate the impact of binational disasters on communities by establishing procedures to manage land and maritime traffic in the event of a border area emergency, and enhance our collective preparedness for security threats of all types -- health, chemical, biological, radiological, nuclear, and explosive.

WHITEHOUSE: The White House