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医学研究中常遇到多因素问题,且因素间关系错综复杂。如最大呼气流速一容量(MEFV)曲线所观察的9个因素,每个因素既有特定的医学意义,相互间又有一定联系;对此,国内
Many factors are often encountered in medical research, and the relationships among factors are complex. For the 9 factors observed in the MEFV curve, each factor has a specific medical significance and there is a certain correlation between them.