名词
中文翻译：恒定差异
同义词：
['steady difference', 'steady deviation', 'constant deviation']
例句：
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1. The temperature difference between the two places is quite large.
这两个地方的温度差相当大。
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2. The constant difference in their income levels has led to a widening income gap.
他们收入水平的差异导致了收入差距的扩大。
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3. The constant difference in the speed of light across different media is a well-known scientific principle.
不同介质中光速的差异是一个众所周知的科学原理。