constituent elements的用法和样例：
例句
- Engineering optimization mathematical model preprocessing is a series of standardized treatment processes of the model elements.
摘要工程优化数学模型预处理是对模型构成要素的一系列规范化处理过程。 - The article analyses the characteristic and contraction style of every constituent element and also analyses the semantic relationship among the sentences in the pattern.
本文分析了这一句式中各构成要素的特点及其紧缩形式，探讨了该句式中分句间的语义关系。
