名词
中文翻译：水文基准面
同义词：
['water level', 'benchmark water level', 'base water level']
例句：
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1. The datum water level is crucial for flood forecasting.
水文基准面对于洪水预报至关重要。
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2. The scientists used the datum water level to measure the depth of the lake.
科学家们使用水文基准面来测量湖泊的深度。
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3. The datum water level has been adjusted based on recent weather conditions.
基于最近的天气条件，水文基准面已经调整过。