词汇 | speed-of-light |
释义 | speed of light noun[ S ] uk /ˌspiːd əv ˈlaɪt/ us /ˌspiːd əv ˈlaɪt/ the speed of light the speed at which light travels in a vacuum(= a space in which there is no matter) and which is considered to be the maximum speed according to known physical laws: The speed of light is 300 million metres per second.光速是每秒钟3亿米。 Subatomic particles are accelerated around a four-mile ring and smashed together at nearly the speed of light. Cameras captured the particles as they fell to the ground near the speed of light. a very fast speed: He delivered the speech at something approaching the speed of light. In class, she picked up everything with the speed of light. You may recall from physics class that the speed of light is supposed to be the most constant, unvarying quantity in the universe. Einstein had predicted that particles cannot travel faster than the speed of light. We are in an era when information can circle the globe at the speed of light. Speed of motion at full/half throttleidiom briskness burst of speed celerity clip clock ground speed haste hypersonic hypervelocity instantaneous velocity light speed momentum pace speed of sound speediness supersonically swiftness throttle velocity You can also find related words, phrases, and synonyms in the topics: Physics: particular theories & concepts Fast and rapid Synonymlight speed Examples of speed of lightspeed of light If intelligent life is rare, the speedoflight barrier will prevent life from using up the resources too fast. How could you convey a notion such as "the speedoflight is 186,000 miles per second," without language? Moreover, both the principle of relativity and the constancy of the speedoflight are connected with fundamental symmetry considerations. This limit is imposed by the speedoflight barrier modified by the universal acceleration. Each member of this hierarchy is a hyperbolic system that has a flux limited by the speedoflight and which dissipates entropy locally. Thanks to the finite speedoflight, it is still possible to look into the night sky and see stars that burned out years ago. The further analysis is restricted to a correct relativistic particle distribution, which is vanishing for particle speeds greater than the speedoflight. Then, we have restricted the analysis to an appropriate relativistic particle distribution that is vanishing for particle speeds greater than the speedoflight. The linear wakefield response of a plasma induced by a test charge moving at the speedoflight c can be calculated as follows. Only in the strictly unphysical formal limit of an infinitely large speedoflight c do the covariant forms reduce to the standard expressions. Decreasing the source frequency, both the phase and group velocities monotonically approach the speedoflight. He was then able to generalize the relativity principle of mechanics and to formulate the hypothesis of the constancy of the speedoflight. Here 0 = 2/0 = /c denotes the free-space wavenumber, where c is the speedoflight in free space. In a homogeneous plasma these solitons have a propagation velocity much smaller than the speedoflight. The gravitational constant was a global invariant, as far as anyone knew; after 1905 the speedoflight would also be accorded that status. 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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