疏与密
疏与密-
轻与重，大和小，疏与密，都有平衡画面的功能。
Light and heavy , big and small , spares and dense , all have balanced functions within a painting .
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在构思方面，恰当处理结构上的抽象与具体、疏与密的关系是应用文写作成功的关键。
The key of writing is to deal with the relations between the abstract and concrete , the sparse and the dense on structure appropriately .