名词
中文翻译：日度
同义词：
['degree day', 'degree-day index']
例句：
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1.The temperature changes by 2 degrees-days during the winter season.
冬季温度变化2度日。
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2.The scientist used a new method to calculate the degree-days for the region.
科学家用新方法计算该地区的日度。
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3. The degree-days are an important factor in determining the optimal planting date for crops.
日度是决定作物最佳种植日期的重要因素。