Photo tip: Add layers to your composition-that is, multiple elements beyond the main subject, such as foreground and background elements.
拍照小技巧：给你的构图分层——也就是说，给拍摄主体添上多种元素，例如前景和背景元素等。
A model for built-in test (BIT) integrated expression is presented based on the composition analysis of its main design elements.
在分析机内测试(BIT)主要设计要素组成的基础上，提出了BIT综合表示模型。
Main chain by the resin composition of the molecular classification of this method can be divided into carbon-chain polymer resins, polymers and miscellaneous elements chain organic polymers.
按树脂分子主链组成分类按此方法可将树脂分为碳链聚合物、杂链聚合物和元素有机聚合物。
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