退化的regressive
逆进税regressive tax【税收】
退化演替regressive succession【植】;retrogressive succession【植】
间接(染色)法regressive method
退化特征regressive character
自回归时间序列auto-regressive time series【数】
退化性演化regressive evolution
累退课税degressive taxation【税收】;regressive taxation【税收】;