It is concluded that the turbulent kinetic energy assembling and rapid dissipating form bottom to meniscus cause the MDD. 液面的动态失稳现象主要是结晶器内的湍动能由下而上聚集并迅速耗散引起。
It is demand of army training and equipment development that the training simulator is used for armament maintaining and operation training. 摘要采用模拟训练器进行装备的维修和操作训练已成为部队训练和装备发展的要求。