[名词解释] Cross：杂交

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"] Transgenic animals：转基因动物 下列何项与麻子仁丸方义不符（） ["麻子仁润肠通便 ","大黄通便泄热 ","芍药养阴和里 ","杏仁降气润肠 ","枳实、厚朴行气宽中"] Feeds：饲料 Cross：杂交