| 单词 | pitchfork |
| 释义 | pitchfork noun[C] uk/ˈpɪtʃ.fɔːk/us/ˈpɪtʃ.fɔːrk/atoolwith alonghandleand two or threelargecurvedmetalpoints, used formovinghay(=driedgrass)orstraw 干草叉 shutswis/iStock/Getty Images Plus/GettyImages Gardening tools
pitchfork| American Dictionarypitchfork noun[C] us/ˈpɪtʃˌfɔrk/atoolwith alonghandleand two or threelargepointsused formovinghay(=cutdriedgrass)orstraw(=cutdriedstemsofcrops) Examplesofpitchforkpitchfork It is restricted to positive pitchforks (simply because its negative version is of no use). From theCambridge English Corpus However, it is thus proved by the weakly nonlinear stability analysis that a supercriticalpitchforkbifurcation occurs at the critical point. From theCambridge English Corpus We derive an amplitude equation to account for the imperfectpitchforkbifurcation. From theCambridge English Corpus There may of course be other factors which render thepitchforkbifurcation imperfect. From theCambridge English Corpus The rather short length of the vortex is characteristic of the disturbance for symmetrybreakingpitchforkbifurcations. From theCambridge English Corpus Thepitchforkbifurcation in the symmetric problem is thereby disconnected. From theCambridge English Corpus In this subspace there is apitchforkbifurcation giving rise to narrow transverse rolls. From theCambridge English Corpus The initial bifurcation (apitchfork) gives rise to supercritical branches of diagonal rolls and small squares, of which only the latter are stable. From theCambridge English Corpus Eachpitchforkoccurring in the design is the conclusion of a unique rule among those given below. From theCambridge English Corpus The case 0 (1) > 0 is usually referred to as a subcriticalpitchforkbifurcation, and the case 0 (1) < 0 as a supercriticalpitchforkbifurcation. From theCambridge English Corpus This stability is finally transferred to spatially modulated two-dimensional rolls in anotherpitchforkbifurcation. From theCambridge English Corpus On the other hand, the amplitude equation (2.31) directly expresses thepitchforkbifurcation at the critical state. From theCambridge English Corpus This is the so-calledpitchforkbifurcation which determines the incidence of three-dimensional wave motions. From theCambridge English Corpus Moreover, it does not fall into anypitchforkclass known. From theCambridge English Corpus Depending on the way we use them, pitchforks can be streamlike or anti-streamlike. 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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