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The combination mode is also called part-to-whole mode. The combination mode combines objects into a tree structure, which is used to represent the relationship between the whole and the part. The combination mode enables clients to treat individual objects and combined objects equally. For example, in. NET, simple controls such as WinForm controls, TextBox and Label inherit from the Control class, while composite controls such as GroupBox also inherit from the Control class. The specific structure diagram of the combination mode is shown below.该剧讲述了项与秋(杨玏饰)，连心(张雪迎饰)和陈奇(张超饰)之间相识于微时，却羁绊十年的情感纠葛。因为范家和越国有着极深的渊源，在越国故地也有着深厚的基础和利益，所以必须有个人来打理。12. Create conditions, enrich books, newspapers and magazines, and introduce incentives to encourage employees to study spontaneously, improve their quality or provide benefits for outstanding personnel to go out to study, train and grow.《白云飘飘的年代》展现了人民空军航校艰苦卓绝的建校历程，用独特的视角去诠释、揭秘了1945-1950年一段不为人知的历史，传递了中国共产党以宽容、大度、高瞻远瞩为核心的价值观。导观众如何区别看待日本军国主义和有良知的日本人，以及日本人饱受军国主义的残害的悲惨命运。该剧的历史的纵深感，讲人性的高度，贯穿始终。[A doctor in Guangzhou issued a document pointing out that "Hongmao Medicated Liquor is a poison from heaven" was arrested across provinces on suspicion of damaging the reputation of commodities]