Comparing the effects during outbreaks 1-4 with after the announcement of resident rot. To obtain useful and efficient information and information to support the effective adjustment of entrepreneurs to abnormal situations.
Compare the impact of squirrel outbreaks during the 1-4 period and after being declared as a local Rot. Provide useful and effective information to support entrepreneurs in adapting to abnormal situations. efficiency
Compare the effects of 1-4 plague outbreaks with those after being declared as resident plague, so as to obtain useful and effective information and provide support for operators to effectively adapt to abnormal situations.