degree day

简明释义

度日

英英释义

例句

1.Farmers use degree days 度日 to predict the best time for planting crops.

农民使用度日 degree days来预测种植作物的最佳时间。

2.A higher number of degree days 度日 indicates a greater need for heating.

更高的度日 degree days数量表示对供暖的需求更大。

3.The local weather service reports the number of degree days 度日 every week to assist energy companies.

当地气象服务每周报告度日 degree days的数量，以协助能源公司。

4.The heating system is designed to operate efficiently based on the number of degree days 度日 calculated each month.

供暖系统的设计是基于每月计算的度日 degree days的数量来高效运行。

5.In energy management, tracking degree days 度日 helps in estimating heating and cooling requirements.

在能源管理中，跟踪度日 degree days有助于估算供暖和制冷需求。

作文

Understanding the concept of degree day is crucial for various industries, especially in energy management and agriculture. A degree day is a unit that helps to indicate how much heating or cooling is required to maintain a comfortable indoor temperature. It is calculated based on the difference between the average outdoor temperature and a standard reference temperature, typically set at 65 degrees Fahrenheit (18 degrees Celsius). When the outdoor temperature falls below this reference point, it is considered a heating degree day, while temperatures above this point are classified as cooling degree days.For instance, if the average outdoor temperature for a day is 50 degrees Fahrenheit, this would result in 15 heating degree days (65 - 50 = 15). Conversely, if the temperature rises to 80 degrees Fahrenheit, there would be 15 cooling degree days (80 - 65 = 15). This calculation allows businesses and homeowners to estimate their energy needs more accurately.In the context of agriculture, degree days are used to predict plant growth and pest development. Different crops and pests have specific temperature thresholds that determine their growth rates. By tracking degree days, farmers can make informed decisions about planting and harvesting times. For example, certain crops may require a cumulative total of 300 degree days to reach maturity. By monitoring temperature data, farmers can estimate when they will reach this threshold, allowing them to optimize their yield.Moreover, the use of degree days extends to climate research and building design. Architects and engineers utilize this information to design energy-efficient buildings that minimize heating and cooling costs. By understanding the climate of a particular region through degree day calculations, they can choose appropriate materials and designs that enhance energy efficiency.In conclusion, the significance of degree days cannot be overstated. They serve as an essential tool in energy management, agriculture, and climate research. By providing a clear measurement of temperature variations, degree days help individuals and businesses make better decisions regarding energy consumption and agricultural practices. As we continue to face challenges related to climate change and energy sustainability, understanding and utilizing degree days will become increasingly important in our efforts to create a more efficient and sustainable future.

理解degree day这一概念对于各个行业尤其是能源管理和农业至关重要。degree day是一种单位，帮助指示维持舒适室内温度所需的供暖或制冷量。它是基于户外平均温度与标准参考温度（通常设定为华氏65度，即摄氏18度）之间的差异进行计算的。当户外温度低于此参考点时，称为供暖degree day；而当温度高于此点时，则被归类为制冷degree day。例如，如果某天的户外平均温度为华氏50度，这将导致15个供暖degree day（65 - 50 = 15）。相反，如果温度升高到华氏80度，则会有15个制冷degree day（80 - 65 = 15）。这个计算允许企业和房主更准确地估算他们的能源需求。在农业领域，degree day用于预测植物生长和害虫发展。不同作物和害虫有特定的温度阈值，决定其生长速率。通过跟踪degree day，农民可以做出关于播种和收获时间的明智决策。例如，某些作物可能需要累计300个degree day才能成熟。通过监测温度数据，农民可以估计何时会达到这一阈值，从而优化他们的产量。此外，degree day的使用还扩展到气候研究和建筑设计。建筑师和工程师利用这些信息来设计节能建筑，最小化供暖和制冷成本。通过了解特定地区的气候，通过degree day计算，他们可以选择合适的材料和设计，以提高能源效率。总之，degree day的重要性不容小觑。它们作为能源管理、农业和气候研究的基本工具。通过提供清晰的温度变化测量，degree day帮助个人和企业在能源消费和农业实践方面做出更好的决策。随着我们继续面临与气候变化和能源可持续性相关的挑战，理解和利用degree day将在我们努力创造一个更高效和可持续的未来中变得越来越重要。