【判断题】DALE用于衡量人群健康水平的公平性,DALY用于评价疾病负担。
【判断题】招标投标有利于展开健康公平的竞争;有利于调动工作积极性。
【简答题】What are the composite materials?
【单选题】With a view to improving hybrid performance, you can use composite materials to reduce weight.
【判断题】DALE用于衡量人群健康水平的公平性,DALY用于评价疾病负担。
【判断题】Composite materials are mixtures of two or more materials.