名词
中文翻译：最小纵向梯度
同义词：
['minor longitudinal gradient', 'minimal longitudinal gradient例句：1. The minimum longitudinal gradient in the region is 20 degrees.（该地区的最小纵向梯度为20度。）']
例句：
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1. The minimum longitudinal gradient in the region is 20 degrees.
该地区的最小纵向梯度为20度。
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2. The design of the new bridge aims to minimize the longitudinal gradient.
新桥的设计旨在最小化纵向梯度。
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3. The study found that the longitudinal gradient in the river had decreased significantly.
研究发现河流的纵向梯度显著降低。