名词
中文翻译：复杂的部分同义词
同义词：
['complex elements', 'intricateparts']
例句：
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1. The constructionof the bridge involved complex parts that requiredspecialized knowledge.
建造这座桥涉及到复杂的部分，需要专门的知识。
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2. The design of themachine included complex parts that were difficult tomanufacture.
这台机器的设计包括了复杂的部分，这些部分难以制造。
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3. The study of history involves complex partsthat require a deep understanding of the past.
研究历史涉及复杂的部分，需要对过去有深入的理解。