Studies suggest that the pathogenicity of ss is closely related with the carrying and expression of virulence-associated factors.
目前研究认为SS致病性与其相关毒力因子的携带与表达密切相关。
Pathogen pathogenicity and host resistance are internal factors in deciding plant diseases. Wheat leaf rust is a kind of worldwide disease.
在病害三角关系中，病原物的致病性及寄主的抗病性是决定病害发生与否的内在因素。
Objective to study the relationship between the different factors and the pathogenicity of chronic cholecystitis, and reveal the distribution pattern of TCM syndromes of chronic cholecystitis.
目的探讨不同因素与慢性胆囊炎发病的关系，揭示慢性胆囊炎的中医证型分布规律。
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