但是是否任何类似(丙酮和过氧化氢是炸弹的主要成份)的行为都要报告给执法人员，由其对这些行为进行评估呢？
But should any of these activities (acetone and hydrogen peroxide can be components for explosives) be reported to and evaluated by law enforcement officials?
有些反常的人类行为或许是由于吃了某些物质造成的，这些物质打破了大脑中微妙的化学成份的平衡。
Some abnormal human behavior may be caused by eating substances that upset delicate chemical balances in the brain.
提出了以实体模型、测量要素、定形尺寸、定位尺寸、行为约束为构造成份的特征模型；
The feature model presented here is consisted ot five components: solid model, measure elements, size dimensions, and location dimensions as well as constrains behaviour.
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