| 单词 | cosmic rays |
| 释义 | BETA Examples ofcosmic raysDictionary> Examples ofcosmic rays cosmic raysisn’t in the Cambridge Dictionary yet. You can help! Add a definition Besides these conservation laws, an equation is required to describe the coupling between thecosmicraysand the thermal plasma. From theCambridge English Corpus The number densities of the ionized species is usually computed in terms of the ionization rate of thecosmicrays. From theCambridge English Corpus The model comprises a thermal plasma andcosmicrays. From theCambridge English Corpus Whencosmicraysencounter hydromagnetic waves or irregularities, they are scattered by the waves. From theCambridge English Corpus We adopt the simplest model: a two-fluid model, comprising a thermal plasma andcosmicraysonly. From theCambridge English Corpus Consequently, thecosmicraysare advected by the irregularities or waves, and at the same time they diffuse through the plasma. From theCambridge English Corpus Thecosmicraysare considered to be a massless fluid with significant pressure. From theCambridge English Corpus Actually, thecosmicraysand the thermal plasma are just components of a plasma system. From theCambridge English Corpus If waves of different phase speeds are present, thecosmicraysdiffuse in momentum space. From theCambridge English Corpus However, the momentum equation is modified by the pressure gradient ofcosmicraysand waves. From theCambridge English Corpus In an afternoon they might discuss electrodynamics,cosmicrays, astrophysics, and nuclear physics. From theCambridge English Corpus Ignoring collisions, the basic interaction betweencosmicraysand the thermal plasma is mediated by the embedded magnetic field. From theCambridge English Corpus Second, the time meteoroids have been travelling in space exposed tocosmicraysis relatively short, typically millions of years. From theCambridge English Corpus Instead,cosmicrayswould only be a serious threat for close sources (of the order of a few parsecs). From theCambridge English Corpus The coupling between thecosmicraysand waves depends on the magnitude of the waves. From theCambridge English Corpus Moreover, when thecosmicraysstream through the plasma, they excite hydromagnetic waves by the so-called cosmic-ray streaming instability. From theCambridge English Corpus The last two exchange energ y amongcosmicraysand waves only. From theCambridge English Corpus Mostcosmicrayswill scatter and add a contribution comparable to the background from supernovae. From theCambridge English Corpus 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. |
| 随便看 |
英汉词典包含213609条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。