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一种回归分析中的自变量选择程序。从空模型开始,首先进入方程的是与因变量相关最高的自变量,重复此过程,直到没有满足进入标准的自变量为止,以此来评估变量之间的相关关系。
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primary standard of flatness
primary standard of illuminance
primary standard of laser small angle
primary standard of laser wave length
primary standard of length
primary standard of line angle
primary standard of luminance
primary standard of luminous exposure
primary standard of luminous intensity
primary standard of microwave phase shift
primary standard of multi-teeth index table
primary standard of spectral irradiance
primary standard of spectral radiance
primary standard of taper gauge
primary standard of total luminous flux
primary standards of national defense
primary star
primary station
primary station, master station
primary stress
primary structure
primary structure analysis of monoclonal antibody
Primary Studies on the Book of Songs
primary submodule
primary succession
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