Many people have started to be aware of the harmfulness of fake commodities.

许多人已开始意识到假冒商品的危害性。

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The causes and the harmfulness of the corrosion of the stack of recovery boiler in sulfate pulp mills are analyzed.

对硫酸盐法纸厂碱回收车间烟囱的腐蚀成因及腐蚀的危害性进行了分析。

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Jealous psychology of college students often happens in smaller interpersonal circles, the harmfulness of which is inestimable.

大学生的嫉妒心理，往往在较小的人际圈中发生，其危害是无法计量的。

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This worked well until 1964, when a devastating report from the surgeon-general's advisory committee in effect ended medical uncertainty about the harmfulness of smoking.

ECONOMIST: Tobacco