The constitutional supercooling criterion of alloys with peritectic reaction in the directional solidification was proposed. 给出了具有包晶反应的合金在定向凝固条件下的成分过冷判据式。
Promulgating Constitutional amendment is a consequent of Constitution practice, a reaction to society and an important way to self-improvement. 颁布宪法修正案是宪法实践的结果,是宪法对社会的回应,是宪法自我完善的重要途径。