Snake venom thrombin - like enzymes belong to the fibrinogenolytic enzyme family and are serine proteases.蛇毒类凝血酶属于纤维蛋白原裂解酶,是一种丝氨酸蛋白酶.The article reviews the general characteristics of thrombin and its neurotoxic effects....
在报纸印刷以前,过去是用手工排铅字的.We arranged lead letters by hand before a newspaper was printed.排字''.'工'.''把书面材料排成铅字的人;排字工人或印刷''.'工'. ''.One that sets written material into ...