Mahalanobis-Taguchi System (MYS) is a new method for studyingmultidimensional system, and it can be used to measure the degree of abnormality byconstructing and optimizing the measurement scale.

• 马氏田口是研究多元系统的一种新方法,它通过建立与优化测量表,测量观测值的异常程度,并进而采取相应的有效措施。