名词
中文翻译：上游序列
同义词：
['上游序列，上游序列例句：1. The upstream sequence of the river is crucial for flood control.（河流的上游序列对于防洪至关重要。）']
例句：
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1. The upstream sequence of the river is crucial for flood control.
河流的上游序列对于防洪至关重要。
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2. The upstream sequence of the genome has been studied extensively.
基因组的上游序列已经被广泛研究。
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3.The upstream sequence of the DNA molecule plays a critical role in gene expression.
DNA分子的上游序列在基因表达中起着关键作用。