同工酶变异 meaning in English

isoenzyme variation

( 2 ) the liver mdh isozymes of microtus fortis were rather conservation in evolution . the mdhm zones of all voles were located to the same migratory line with the similar activity . the migratory rates of the mdhs zones from all voles were identical but the activity of mdhs of the voles from ningxia was weaker than that of the other voles
( 2 )四类东方田鼠的肝mdh同工酶变异不大， mdhm都在同一泳动线上且酶活性相似，而mdhs虽然泳动速度都一致但宁夏鼠的酶活性较其它三类鼠弱。