| 词汇 | black-hole |
| 释义 | black hole noun[ C ] uk /ˌblæk ˈhəʊl/ us /ˌblæk ˈhoʊl/ physics specialized a region in space where gravity is so strong that nothing, not even light, can escape黑洞（宇宙中包括光线在内的任何东西都无法逃逸的强引力区域） an imaginary place in which things are lost（想象中事物消失的）黑洞 Astronomy albedo Andromeda Aquarius Aries asteroid galaxy Gemini geostationary geosynchronous gibbous observatory orbit orbital Orion penumbra substellar sunspot supergiant supermassive supermoon You can also find related words, phrases, and synonyms in the topics: Losing and loss black hole | American Dictionaryblack hole noun[ C ] us/ˈblæk ˈhoʊl/ physics a region in space where the force of gravity is so strong that nothing, not even light, can escape from it black hole | Business Englishblack hole noun[ C ] ukus COMMERCE an activity or organization on which very large amounts of money are spent but which does not produce any profit or useful result: Fears that the operation would be a black hole proved well-founded. FINANCE, ACCOUNTING a large amount of money that is owed by a company or government: black hole in sth Taxes will have to rise to fill a black hole in the public finances. Examples of black holeblack hole Here's the situation: we have some quantum system undergoing unitary evolution in a space-time with a blackhole. Very roughly this is the mechanism of a dark body, almost that of a blackhole. Unfortunately, a bug has crept into the adapted code, leading to a blackhole. This consonant is not directly visible, but, like a collapsed star (' a blackhole '), it manifests itself through its effect on its neighbours. But circularity makes the sieve definition more delicate, and in several places we must tread carefully to avoid a blackhole. The time of a blackhole search scheme should be distinguished from the time complexity of the algorithm producing such a scheme. The early universe is not the time reverse of blackhole formation. Now it is possible to use the time-out mechanism to locate the blackhole in any graph, with only two agents, as follows. The minimum number of agents capable of identifying a blackhole is two. We assume that there is at most one blackhole in the network. What if the universe is not slated to contract into a blackhole or expand into nothing? So we must suppose that the information that falls into the blackhole is lost to us and only available within the blackhole itself. Then one of the particles is inside the blackhole and one outside. The effect is often described as resulting from virtual pair production on the horizon of a blackhole. Now, imagine one of the particles were to cross the event horizon of the blackhole. See all examples of black hole 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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