The experimental results indicated that the frost layer grew very slowly with the effect of ultrasound，and the frost layer composed by “frost line” was more inerratic.
研究显示，冷表面霜层在施加超声波作用后仅有少量生长，霜层分布相对规则，由一簇簇“霜线”组成。
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| 词汇 | Frost line |
| 分类 | 英语词汇 英语翻译词典 |
| 释义 |
Frost line
英语例句库
The experimental results indicated that the frost layer grew very slowly with the effect of ultrasound，and the frost layer composed by “frost line” was more inerratic. 研究显示，冷表面霜层在施加超声波作用后仅有少量生长，霜层分布相对规则，由一簇簇“霜线”组成。
原声例句
2007 English Cafe The frost line, " frost line, " is where the ground freezes, and the cement - the foundation - has to be below that point. 霜线，“霜线” 是地面结冰的地方，水泥——地基——必须低于该点。 2007 English Cafe The reason houses in the north of the United States have a basement is because the ground freezes during the winter, and you have to have the foundation of the house below what we would call the frost line. 美国北部的房子之所以有地下室， 是因为冬天地面会结冰，房子的地基必须低于我们所说的霜线。
英语百科
Frost lineThe frost line—also known as frost depth or freezing depth—is most commonly the depth to which the groundwater in soil is expected to freeze. The frost depth depends on the climatic conditions of an area, the heat transfer properties of the soil and adjacent materials, and on nearby heat sources. For example, snow cover and asphalt insulate the ground and homes can heat the ground (see also heat island). The line varies by latitude, it is deeper closer to the poles. It ranges in the United States from about zero to six feet. Below that depth, the temperature varies, but is always above 0 °C (32 °F). |
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