第二部治疗一軍事医学發展的历史背景不論古今中外,用兵的目的,都不外保持自己軍队的作战力量,而消灭敌人的有生力量;因之,在战爭中自然不擇手段,凡是以消灭或减弱敌人力量的方法,都要使用出来。那末双方士卒的伤亡,自然不可避免。作战时,兵員的伤亡,是以社会的进展 The second part deals with the historical background of the development of military medicine. For the purposes of military exercise at all times and in all countries, the military strength of its own army is no more than that of its own army, and the viable force of the enemy is eliminated. Therefore, it is natural to resort to no means to eliminate or weaken the war. Enemy forces should be used. Then casualties on both sides are naturally inevitable. In combat, the casualties of soldiers are based on social progress