dishearten

An EPQ Model with Back-orders and Lost Sales;

一种考虑延期交货及失去销售的库存模型

From this love and lost sad story, Sheng Congwen expresses his compassion for the endless cycle of human beings.

这是一个爱与失去的永恒悲剧,从中折射出沈从文对人类在爱与失去中无尽循环的悲悯情怀。

From the viewpoint of sensation liberation, following the train of thought of human and human object coming into being in activity, with the fundamental judgement of aesthetic possibility depending on acquisition of objectives and the loss of objectives, Marx s Aesthetics have been established relation between aesthetics and human reality life.

马克思美学以人的感觉解放为起点 ,以人与他的对象在活动中生成为主线 ,以占有对象与失去对象为审美能否发生的基本判断 ,把美学与人的现实生活活动联系起来。