人口的自由流动对原有的人口管理制度带来了巨大冲击，相应地，流动人口犯罪也对原有的犯罪控制措施提出新的课题。
The free shift of the population brings about great shock to the original population management. Correspondingly. Poses new problems to the original controlling measures of crimes.
国际标准的推广实施，使企业计量工作的运作观念发生重大的变化，同时也给计量工作如何实效服务生产经营提出新的课题。
Owing to the popularizing and actualizing of the international standard, the operation concept of the metrological work of the enterprise has been changed greatly.
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