名词
中文翻译：单一链
同义词：
['single link', 'single chain', 'singular chain例句：1. The single chain of evidence led to the discovery of the missing person.（单一的证据链导致了失踪人员的发现。）']
例句：
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1. The single chain of evidence led to the discovery of the missing person.
单一的证据链导致了失踪人员的发现。
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2.The company has a single chain of command.
该公司有一个单一的指挥链。
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3. The scientist isolated a single chain of DNA molecules in the sample.
科学家在样本中分离出一条DNA分子链。