| 单词 | speckle |
| 释义 | speckle noun[Cusually plural] uk/ˈspek.əl/us/ˈspek.əl/a verysmallmarkof a differentcolourfrom theareaaround it, usuallyfoundwith alargenumberof othermarksof the sametype: （表面上的）斑点，色斑A blackbird'seggisbluewithbrownspeckles on it.乌鸫的蛋是蓝色的，上面有棕色的斑点。 Synonyms fleck patch spot Dirt & untidiness
Examplesofspecklespeckle At this stage, these and other concepts are still being developed to increase the level ofspecklesmoothness for direct drive. From theCambridge English Corpus From the transmission geometry of a small-angle experiment it is obvious that the transverse coherence length is the key factor that determinesspeckle. From theCambridge English Corpus In these experiments, however, the average power in aspecklewas of the order of 3% of the critical power for self-focusing. From theCambridge English Corpus The instantaneous focal spot intensity is a highly nonuniformspeckle. From theCambridge English Corpus The target then integrates over a large number of uncorrelatedspecklepatterns and therefore "experiences" smoother irradiation. From theCambridge English Corpus The wide divergence laser beam eliminates thespecklepatterns caused by the phase plates. From theCambridge English Corpus The very first section features a typically multi-layered texture with helter-skeltering violin scales speckled with pizzicato strings, brass and keyboards. From theCambridge English Corpus The final chapter is on fundamental limits in photoelectric detection of light, and different kinds of interferometry, includingspeckleinterferometry, are discussed in this context. From theCambridge English Corpus The # 2 reduction due to the overlap of the twospecklepatterns is readily discerned. From theCambridge English Corpus At the target, these beamlets interfere and create aspecklepattern with a broad range of spatial frequencies. From theCambridge English Corpus In some lights the under surface of the legs appears distinctly and regularly speckled, a character due evidently to the regular arrangement of the scales. From theCambridge English Corpus The high spatial frequency components in thespecklepattern caused by random phase irradiation are removed by incoherent overlapping of broadband laser light. From theCambridge English Corpus A pattern matching algorithm allows the operator to track speckles occurring naturally in the myocardium. From theCambridge English Corpus This staining pattern was comparable with controls except for small debris-like speckles visible in some blastomeres. From theCambridge English Corpus The singlespeckle, or hot spot, is the simplest irreducible element for studying laser plasma interactions. 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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