Avalanche | Definition, Causes, & Facts | Britannica
2 天之前 · What is an avalanche? An avalanche is a mass of material rapidly moving down a slope. It is typically triggered when the material on a slope breaks loose from its surroundings, and this material quickly collects and carries additional material down the slope. What are the different kinds of avalanches?
Avalanche - Wikipedia
An avalanche is a rapid flow of snow down a slope, such as a hill or mountain. [1] Avalanches can be triggered spontaneously, by factors such as increased precipitation or snowpack weakening, or by external means such as humans, other animals, and earthquakes. Primarily composed of flowing snow and air, large avalanches have the capability to ...
Avalanche - National Geographic Society
During an avalanche, a mass of snow, rock, ice, soil, and other material slides swiftly down a mountainside. Avalanches of rocks or soil are often called landslides. Snowslides, the most common kind of avalanche, can sweep downhill faster than the fastest skier. A snow avalanche begins when an unstable mass of snow breaks away from a slope.
What causes avalanches and how can you survive them? A …
2024年1月12日 · An avalanche requires all the wrong conditions at the wrong time. The angle of the mountain slope is important. Slopes between 25 and 40 degrees run the greatest risk of avalanches.
Avalanche: causes and prevention | Britannica - Encyclopedia Britannica
avalanche, Large mass of material, such as snow or rock debris, that moves rapidly down a mountain slope, sweeping everything in its path. Avalanches begin when a mass of material overcomes the frictional resistance of the sloping surface, often after the material’s foundation has been weakened by rains or the snow has been partially melted ...
Avalanches, facts and information - National Geographic
2019年7月19日 · Avalanches are masses of snow, ice, and rocks that fall rapidly down a mountainside. They can be deadly.
avalanche是什么意思_avalanche的翻译_音标_读音_用法_例句_爱 …
雪崩星球六发生在邻近滑雪胜地索尔登地方. No one could emerge from that avalanche alive, unless one believed that man could rise from the dead. 没人能从那次雪崩中活着出来, 除非相信人能死而复生. Avalanche Breakdown Diode exhibits almost the same properties. 溃电压后),二极管会被击穿而损坏. Avalanche photodiode APD bias circuit generated. 雪崩光电二极管APD的偏压产生电路. He was dug out from under the avalanche.
AVALANCHE中文(简体)翻译：剑桥词典 - Cambridge Dictionary
AVALANCHE翻译：雪崩, 大量；突然到来的一大批。 了解更多。
Avalanche - Simple English Wikipedia, the free encyclopedia
When there is too much snow on a mountain, some of the snow may fall, causing damage to things in its path. This is called an avalanche. People talk about avalanches because they may be dangerous to skiers and other people doing winter sports. Large avalanches may carry stones, boulders and trees with them. They may bury people under them.
Avalanche Safety - National Weather Service
An avalanche is a rapid flow of snow down a hill or mountainside. Although avalanches can occur on any steep slope given the right conditions, certain times of the year and types of locations are naturally more dangerous. While avalanches are sudden, there are typically a number of warning signs you can look for or feel before one occurs.