The studies on the activity rhythm of rats have an important significance to the effective prevention of rat damage as well as the comprehensive measures in controlling rats.
研究鼠类活动节律，对于更有效地控制和综合治理鼠害具有重要意义。
Article 60 the captain of a ship of international voyage is required to apply to the health and quarantine organ for inspection of rat damage every 6 months.
第六十条国际航行船舶的船长，必须每隔6个月向卫生检疫机关申请一次鼠患检查，卫生检疫机关根据检查结果实施除鼠或者免予除鼠，并且分别发给除鼠证书或者免予除鼠证书。
Article 62 Normally the inspection of rat-damage or deratization shall be carried out while the hold is bare.
第六十二条对船舶的鼠患检查或者除鼠，应当尽量在船舶空舱的时候进行。
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