1.Objective To understand the population composition and seasonal fluctuation of fleas parasitized on Rattus tanezumi in Leizhou city.
目的了解雷州市黄胸鼠鼠体蚤的种群构成及消长。
2.Rattus norvegicus distributed in different communities of the rats and different districts, and it was the dominant species.
不同区域鼠类群落结构为褐家鼠均有分布，且为优势鼠种；
3.The characteristics of biology, distribution, population dynamics and damage of Rattus nitidus were studied.
调查研究了大足鼠的区域分布，生物学特性，种群动态及危害特征。
4.Rattus rattus originated in India and has spread like wildfire throughout the world, leaving no continent untouched.
黑家鼠（Rattusrattus）起源于印度，现在已经如野火般遍布世界，没有放过一个大陆。
5.There is, how the child's hair will become curly and Rattus it?
还有就是，孩子的头发怎么会变成卷毛和黄毛呢？
6.Rattus-type HFRS case was not found. However, cases were present in the whole year, especially in counties of Pingliang District.
虽尚未确证家鼠型疫区，但全省一年四季均有病例，尤其是平凉地区各县，故有待血清学检测证实。
7.Results Before the large scale deratization, Rattus norvegicus were dominant in the community of commensal rodents.
结果大规模灭鼠前，试验区以褐家鼠为优势鼠种；
8.Water content of organs in Rattus norvegicus are lowest in summer and highest in winter.
含水量夏季最低，冬季最高；脏器指数不存在两性差异；
9.There Rattus kiwi kiwi and broad-leaved pided.
其中有黄毛猕猴桃和阔叶猕猴桃之分。
10.swim: able to swim three kinds of Mus musculus, Rattus norvegicus water best 60-72 hours floating in the water, ping 30 seconds.
游泳：能游泳三种小家鼠，褐家鼠最好的用水60-72小时，在水中漂浮，跳水30秒。