[名词解释] Inbreeding depression：近交衰退

第一部专门剖析方剂理论的专著是（） ["《外台秘要》","《千金翼方》","《伤寒明理论》","《医方考》","《伤寒杂病论》"] 除（）外，均为汤剂的特点。 ["吸收快 ","易发挥疗效 ","便于加减 ","能较全面地照顾病情 ","药力持久"] Clone animal：克隆动物 Backcross system：回交系统 下列何项不是大承气汤的主治范围（） ["热结旁流","热厥","痉病","发狂","下利清谷"] Inbreeding depression：近交衰退