港口公园基址原是哥本哈根城区内海运航道上的一处码头作业区。
The site of Harbor Park was a work area of Copenhagen Port on the canal within city.
方法：选择城区内不同类型环境，采用粘鼠胶捕鼠，进行鼠种鉴别。
Methods: Catch the rats with the glue-rat-board , and then identify the rats.
第五十五条高速公路、大中城市中心城区内的道路，禁止拖拉机通行。
Article 55 Tractors are prohibited to pass along expressways or roads in central areas of large and medium-sized cities.
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