A、<spanstyle="FONT-FAMILY:宋体;FONT-SIZ10.5pt;mso-ascii-font-family:">均匀分布</span>
B、<spanstyle="FONT-FAMILY:宋体;FONT-SIZ10.5pt;mso-ascii-font-family:">直线变化规律</span>
C、<spanstyle="FONT-FAMILY:宋体;FONT-SIZ10.5pt;mso-ascii-font-family:">抛物线规律</span>
D、<spanstyle="FONT-FAMILY:宋体;FONT-SIZ10.5pt;mso-ascii-font-family:">对数曲线规律</span>