[问答题] 简述肠袋虫病的流行情况和感染途径。

控件数组中第一个元素的Index值是（） ["0","1","空值","2"] The latent heat of evaporation is dissipated in the （） in a compression refrigeration system. ["evaporator","condenser","expansion valve","compressor"] 财务战略属于局部性、长期性和导向性的重大谋划。（） The terms “cant frame” and “counter” are associated with the vessel’s（）. ["cargo hatch","forecastle","steering engine","ster"] 财务战略的选择必须与企业发展阶段相适应。（） 简述肠袋虫病的流行情况和感染途径。