dew point

简明释义

露点

英英释义

例句

1.Farmers monitor the dew point (露点) to determine the best time for irrigation.

农民监测dew point（露点）以确定最佳灌溉时间。

2.To avoid condensation on the windows, keep the indoor temperature above the dew point (露点).

为了避免窗户上出现冷凝水，请将室内温度保持在dew point（露点）以上。

3.The weather forecast indicated a high humidity level, which means the dew point (露点) will also be elevated.

天气预报显示湿度很高，这意味着dew point（露点）也会升高。

4.A lower dew point (露点) indicates drier air, which can be more comfortable in the summer.

较低的dew point（露点）表示空气较干燥，这在夏天可能会更舒适。

5.When the dew point (露点) is above 60°F, it can feel quite uncomfortable outside.

当dew point（露点）高于60华氏度时，外面会感觉相当不舒服。

作文

Understanding the concept of dew point is essential for anyone interested in meteorology, climate science, or even everyday weather forecasting. The dew point refers to the temperature at which air becomes saturated with moisture and water vapor begins to condense into liquid water. This phenomenon is crucial in determining humidity levels and predicting weather patterns.To grasp the importance of the dew point, we first need to understand humidity. Humidity is a measure of the amount of water vapor present in the air. When the air is warm, it can hold more moisture; however, as the temperature drops, the air's capacity to hold water vapor decreases. Eventually, there comes a temperature—known as the dew point—where the air can no longer hold all the moisture, leading to condensation. This is why we often see dew on the grass in the early morning or fog forming in cooler temperatures.The dew point is a critical factor in various weather phenomena. For instance, when the dew point is high, it indicates that the air is humid, which can lead to uncomfortable conditions and increased chances of precipitation. Conversely, a low dew point suggests dry air, which can result in clearer skies and cooler nights. Understanding these variations can help individuals prepare for weather changes and plan activities accordingly.In practical terms, the dew point is often used by meteorologists to provide more accurate weather forecasts. While relative humidity gives an idea of how saturated the air is, the dew point provides a tangible temperature reference that can be more relatable for people. For example, a dew point of 60°F (15.6°C) is generally considered comfortable for most people, while a dew point above 70°F (21.1°C) can feel oppressive and sticky.Moreover, the dew point has implications beyond personal comfort. It plays a significant role in agriculture, aviation, and even HVAC (heating, ventilation, and air conditioning) systems. Farmers need to monitor the dew point to determine the best times for planting and harvesting crops, as high humidity can lead to diseases in plants. In aviation, pilots must be aware of the dew point to avoid issues related to fog and visibility during takeoff and landing. Similarly, HVAC professionals use the dew point to design systems that maintain comfortable indoor environments.In conclusion, the dew point is a fundamental concept in understanding weather and climate. It represents the temperature at which air reaches saturation and moisture condenses, influencing both environmental conditions and human activities. By learning about the dew point, individuals can gain insights into weather patterns and make informed decisions based on atmospheric conditions. Whether you are a weather enthusiast or simply someone who enjoys spending time outdoors, understanding the dew point can enhance your appreciation of the natural world around you.

理解露点的概念对于任何对气象、气候科学甚至日常天气预报感兴趣的人来说都是至关重要的。露点是指空气饱和水分并开始凝结成液态水的温度。这个现象对于确定湿度水平和预测天气模式至关重要。要理解露点的重要性，我们首先需要了解湿度。湿度是空气中水蒸气含量的测量。当空气温暖时，它可以容纳更多的水分；然而，随着温度的下降，空气能容纳的水蒸气的能力减少。最终，会出现一个温度——被称为露点——在这个温度下，空气无法再容纳所有的水分，从而导致凝结。这就是为什么我们经常在清晨看到草地上的露水或在较低温度下形成雾霭。露点是各种天气现象中的关键因素。例如，当露点较高时，表示空气潮湿，这可能导致不适的条件和降水的增加。相反，低露点则表明空气干燥，这可能导致晴朗的天空和较凉的夜晚。理解这些变化可以帮助人们为天气变化做好准备，并相应地计划活动。在实际应用中，气象学家常常使用露点来提供更准确的天气预报。虽然相对湿度可以让人了解空气的饱和程度，但露点提供了一个更具可比性的温度参考，这对人们来说更容易理解。例如，露点为60°F（15.6°C）通常被认为是大多数人都感到舒适的，而露点超过70°F（21.1°C）则会感到压迫和黏腻。此外，露点还在农业、航空和HVAC（供暖、通风和空调）系统中具有重要意义。农民需要监测露点以确定最佳的种植和收获时间，因为高湿度可能导致植物疾病。在航空中，飞行员必须注意露点以避免起飞和着陆时与雾和能见度相关的问题。同样，HVAC专业人员利用露点设计系统，以维持舒适的室内环境。总之，露点是理解天气和气候的基本概念。它代表了空气达到饱和并凝结水分的温度，影响环境条件和人类活动。通过学习露点，个人可以深入了解天气模式，并根据大气条件做出明智的决策。无论你是天气爱好者还是只是喜欢户外活动的人，理解露点都可以增强你对周围自然世界的欣赏。