Methods: The method of random sampling was conducted to carry on questionnaire survey to 270 rural residents in Hubei province.

方法：采用随机抽样的方法对湖北省270名农村居民进行问卷调查。

youdao

Using the method of"random sampling in typical colonies of the central area of the habitat", we assessed physiognomy bodily form and slaughter determination in Haizi and Mountainous buffalo.

本研究采用中心产区典型群随机抽样方法，对海子水牛、山区水牛进行体型外貌评定以及屠宰测定；

youdao

Using the method of"random sampling in typical colonies of the central area of the habitat", we assessed physiognomy bodily form and slaughter determination in Haizi and Mountainous buffalo.

本研究采用中心产区典型群随机抽样方法，对海子水牛、山区水牛进行体型外貌评定以及屠宰测定；

youdao