To explore the incidence seasons, occupational distribution, poisoning food and the reasons for false report of food poisoning in Laiwu City in recent 10 years.

目的查找10年间莱芜市食物中毒的好发季节、行业分布、中毒食品以及食物中毒漏报、少报的原因。

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By contrast, wages in the middle and lower portion of the wage distribution have been more stagnant, and for some occupational categories, wages have even declined over this period, particularly between 2000 and 2009.

FORBES: Wages Becoming Increasingly Polarized, Economists Confirm