| 词汇 | air-mass |
| 释义 | air mass noun[ C ] uk /ˈeə ˌmæs/ us /ˈer ˌmæs/ a large area of air that has nearly the same temperature and humidity at any height气团（水平方向温度、湿度差异很小的大空气团） air mass | American Dictionaryair mass noun[ C ] us/ˈeər ˌmæs/ earth science a large area of air that has nearly the same temperature and humidity at any height Examples of air massair mass The diagram on the left shows the path of the airmass during the preceding 6 days. This could only be done even roughly if information was available about the sea temperature at places where the airmass had been a t previous times during its approach. If the airmass is colder than the ground below it, it is labeled k. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Moisture is removed and latent heat released as the airmass is orographically lifted. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The warmer air near the surface expands, becoming less dense than the surrounding airmass. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It lies within a sharp trough, but the airmass behind the boundary can be either warm or cold. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Subsidence will generally dry out an airmass by adiabatic (compressional) heating. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. As the front moved north, a warm, moist airmass expanded over the southern two-thirds of the state. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The thicker the cold airmass is, the more effectively it can block an invading milder airmass. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The last airmass that affects this ecoregion is the maritime polar airmass. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Each airmass type brings in different temperature and moisture properties. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This will be enhanced when the moving airmass is uplifted by higher elevations. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Hence, such an airmass becomes "warmer" relative to the atmosphere. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The polar airmass dominates this part of the state year-round. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The calculated airmass reaches a maximum of 11.13 at 86.6, becomes zero at 88, and approaches negative infinity at the horizon. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. See all examples of air mass These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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