1. Nosogeography is the study of the geographical distribution of diseases and the factors that influence their spread.
（疾病地理学研究疾病的地理分布以及影响其传播的因素。）
2. The field of nosogeography is important in understanding how diseases are transmitted and developing effective prevention strategies.
（疾病地理学领域对于理解疾病如何传播以及制定有效的预防策略非常重要。）