<p class="MsoNormal" style="MARGIN: 0cm 0cm 0pt;"><span style="; FONT-FAMILY: 宋体; mso-ascii-font-family: Arial; mso-hansi-font-family: Arial; mso-bidi-font-family: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;">问题：当不知道两个自变量中的哪个对应变量更有解释能力时，应该做怎么样的处理？</span><span style="; FONT-FAMILY: Arial; mso-font-kerning: 0pt; mso-ansi-language: ZH-CN;"><p></p></span></p>