| 单词 | diffraction |
| 释义 | diffraction noun[U] physicsspecializeduk/dɪˈfræk.ʃən/us/dɪˈfræk.ʃən/(apatterncausedby) achangein thedirectionoflight,water, orsoundwaves 衍射Physical & chemical processes
Examplesofdiffractiondiffraction Thediffractionlimit for a single image may decrease, although higher resolution datasets can still be collected due to the decreased radiation damage rate. From theCambridge English Corpus If the first term is large in comparison to the second term, thediffractiondominates over the nonlinear phenomena, leading to defocusing of the ripple. From theCambridge English Corpus Figure 4 shows the temporal evolution ofdiffractionprofiles. From theCambridge English Corpus The first corresponds to geometrical optics effects, while the second is associated withdiffraction. From theCambridge English Corpus This can be achieved, for example, by putting specialdiffractiongratings on the mirrors. From theCambridge English Corpus Now snip off a comparably sized piece from adiffractionimage hologram containing the same chair information. From theCambridge English Corpus The overall degradation of thediffractionsuggests that the reversible effects are also accompanied by gradual irreversible damage to the lattice. From theCambridge English Corpus The laser beam wasdiffractionlimited, the focal spot diameter was found to be 2 mm, in agreement with the expectations. From theCambridge English Corpus This reference wave is generated by thediffractionof a very small pinhole. From theCambridge English Corpus Therefore, for a compensated optical design, both thediffractionof the grating and the dominant aberrations have to be corrected. From theCambridge English Corpus It is a major dominant term that although initially small, competes with thediffractionterm to determine the overall evolution of beam width. From theCambridge English Corpus It shows reshaping of argon ions withdiffractionpattern and broken chains. From theCambridge English Corpus Limpouch et al. harmonics on the rear side of the spherical target is comparable to that on the front side due to laserdiffraction. From theCambridge English Corpus As a drawback, this technique introducesdiffractionby the mirror central edge. From theCambridge English Corpus The focal spot was found to be very close to the one expected for adiffraction-limited beam. 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. CollocationswithdiffractiondiffractionThese are words often used in combination withdiffraction. Click on a collocation to see more examples of it. diffraction limit The diffraction limit for a single image may decrease, although higher resolution datasets can still be collected due to the decreased radiation damage rate. From theCambridge English Corpus diffraction pattern However, there are usually changes in thediffractionpatternafter cooling. From theCambridge English Corpus diffraction peak Although the experimental result has essentially shown the flattop profile, a nonnegligible level of the zeroth order diffraction peak has been found in the focused beam profile. 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. |
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