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派生指标也叫身体指数。它是由两个或两个以上单个指标,根据实际需要以一定方式组合而成的能反映综合信息的指标。它在研究人体生长发育规律、了解人体各部分、各方面之间协调比例关系、完善已有的评价方法领域中有重要的作用。对派生指标有效地选择使用,和根据需要作合理的设计构成,是解决以上问题的关键。一、明确构成的目的和用途。在构成派生指标之前、首先应当对构成的目的、用途和对象特点,作全面充分的了解。这样,有利于合理地确定指标分类,提
The derived index is also called the body index. It is an indicator that can reflect comprehensive information by combining two or more single indicators and combining certain methods according to actual needs. It plays an important role in studying the growth and development of the human body, understanding the various parts of the human body, coordinating the proportional relationship between various aspects, and perfecting the existing evaluation methods. The effective choice of derivative indicators, and the need for a reasonable design structure, are the key to solving the above problems. First, clearly define the purpose and use. Before constructing the derived indicators, a full and complete understanding of the purpose, use, and characteristics of the objects should be given first. In this way, it helps to reasonably determine the index classification.