| 词汇 | example_english_drift |
| 释义 | Examples of driftThese 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. Many firms are drifting because they are uncertain about the appropriate size and role of their inhouse capital projects organization. Obeying the imperative to pursue personal interests in early adulthood the old man and his siblings had drifted apart. Of course, many graptoloids also drifted into shallower water, where they are associated with a more normal kind of fossil assemblage. In reality, police practice drifted benevolently in the uncertainty. Long rates had been drifting upwards from mid-1935 but short rates remained low. As noted above, drifting is frequent and repositioning may be necessary. Initial studies based on this new view were very encouraging, but ultimately the two disciplines drifted apart and the level of collaboration dropped significantly. Now they are slowly coming to be accepted and may even be drifting into mainstream science. The system drifted from an initial phase of large surpluses to increasing deficits and ultimate crisis. Beyond that, the strategy of selectivity ran out of steam, presumably for lack of obvious targets, before it finally drifted into incoherence. Power drifted from the centre to the periphery. The simplest assumption, and the point of departure for most population genetic investigations, is that inversions have drifted (neutrally) to their present frequency. Individual frequencies that are mixed together in order to create sonic masses follow reciprocal types of motion, including undulations, surges, swirls, drifts and dips. As they drifted out to sea, they took 45 minutes to pass the ship. Circular patches of drifting gratings of variable outer diameter are presented monocularly. The columns show the response of three different simple cells to drifting gratings. Stationary and drifting spiral waves of excitation in isolated cardiac muscle. Cross-field diffusion and particle drifts are neglected in (1.1), as is energy diffusion. In addition, we identify a new instability caused by the stimulated scattering of drifting electrons from the relaxation oscillations of the electron temperature. In a plasma with negatively charged dust, electrostatic dust cyclotron waves can be driven unstable by ions drifting along the magnetic field. C: x-t plot of a drifting flicker-modulated second-order grating. Thus, fixational saccades and drifts may make complementary contributions to visual functions. Necessity of acetylcholine for retinal directionally selective responses to drifting gratings in rabbit. Therefore, in the second experiment, we measured temporal tuning functions of cor tical neurons using drifting plaid patterns (or thogonal contrast modulated sine-wave gratings). The numbers indicate the angles between the drifting components. 24 units were tested with a 45 deg 37.5 deg square-wave grating drifting in different subfields. Right-end symbols indicate the change in horizontal position induced by a rightward drifting grating viewed behind an upright square aper ture. Open circles represent spatial-frequency tuning for first-order gratings drifting in the preferred direction. Overall, the majority of neurons sampled in this study (1390 193) exhibited some modification of their responses by activation of surrounding regions with drifting gratings. The reader cannot help but feel that the text is drifting in a wealth of unfocused detail. They will have been born at various locations in and will have drifted around, being at point x on becoming mature. The secondary bifurcation, which takes the system to a pattern of drifting non-axisymmetric vortices, is a saddle-node bifurcation. The linking of memories is necessary for categorization and perceptual drifts. In the architects' words, these drifting terrains - once edge conditions, now nodes in an ever proliferating network - epitomize 'only local borders between differing textural conditions'. What is not generally known is the relative importance of drifting and contraceptive failure for different family sizes. The plasmoid is found to expand in the toroidal direction and simultaneously drifts to the lower field side. Here we have neglected the effects of magnetic curvature drifts. The photograph depicts the middle of the ballet, when the slowly drifting ensemble patterns have begun to disintegrate, buffeted by seabed currents. Their tent was flooded, buried under snow drifts, and, one night, its pole snapped. Thirdly, the fact that drifting is more prevalent where there are multiple marriages suggests that fertility behaviour is to some degree relationship-specific. The time-series models may have periodic transition probabilities and the drifts may be seasonal. The boy, thrown out at 16, 17, or 18 or 20 years of age, drifts into the low-skilled labour market or the army of unemployables. 730 and drifting (presently about at 6 mm/year in places). Whatever was without mass (air and fire), drifted away from the center of the earth. The correlograms on the right were obtained during maintained activity; those on the left during stimulation with a drifting grating. To see this, we consider the modulatory part of a drifting grating stimulus, sdg r, t ! On the direction selectivity of cells in the visual cor tex to drifting dot patterns. Often the animal's threshold responses drifted downward but eventually stabilized. Necessity of acetylcholine for retinal directionally selective response to drifting gratings in rabbit. The movements are dominated by slow drifts, on top of which are rhythmic movements that follow respiration and pulse. The larger drifts of the eyes are less easy to understand, and we wondered if these might be driven by the smaller rhythmic movements. Influence of contrast on the responses of marmoset lateral geniculate cells to drifting gratings. Only ca. 50% of these cells show response supersaturation to optimal gratings drifting in the preferred direction of motion. Cross-orientation suppression can be obtained with mask gratings drifting rather rapidly, whereas surround suppression has lower temporal resolution. Each direction of the drifting grating was presented 12-20 times. D: x-t plot of a drifting second-order "envelope" stimulus. Because of this, their individual adaptations to the programs may have drifted away more from the original prescriptions. Having lost interest in a project after only a short time, their attention drifts as they look for something else to engage their interest. The product of these open sets will give us our drifting domain. However, the resulting solution indicates that the particle drifts slowly in the propagation direction of the wave. The ion continuity equation is used, including the polarization and stress tensor drifts, and compressibility effects due to the magnetic field curvature. We gradually drifted apart professionally, but have maintained contact with each other. Physically, the presence of polaritonic drifts can move polaritons in directions opposite to each other in a quantum plasma. The slow thermal drifts of the instrument set the lower limit. Furthermore, each module's tonal output randomly interacts with the others, at times drifting distinctly, and occasionally resonating with each other to create dense test-one harmonics. The polarization drifts of ions and dust particles also modify the linear behavior of the modes. In this paper, we study the nonlinear dynamics of such a system including the effects of polarization drifts of ions and dust grains. Cross-field diffusion and particle drifts are neglected in (1.1), as is energ y diffusion. Either the screen displayed a drifting sine-wave grating (for visually driven activity) or displayed a blank field (for spontaneous activity). As a result, the fields drifted apart, their contributions to each other undermined. They show characteristic changes in the pattern of response modulation when presented with drifting sinusoidal gratings of different disparities. The influence of microhabitat on availability of drifting invertebrate prey to a netspinning caddisfly. Figure 3 shows the steady-state characteristics of the steering control valve and drifts as the steering load and the tluid temperature varies. The adjacent polar plots represent the excitatory response of each neuron to images of visual patterns that drifted in 12 directions across the contralateral retina. The major excursions of the eyes occur as drifts. Fixational instability included small saccades, ocular drifts, and tremor. Visual stimuli consisted of drifting periodic patterns enclosed in circular, or occasionally square, windows. 817 stimulus orientation using high-contrast drifting sinusoidal gratings. As in previous studies, a reduction in the percentage of direction selective neurons was observed with drifting sinewave gratings. A counterphasing grating consists of two superimposed sine-wave gratings drifting in opposite directions. B: x-t plot of a drifting contrast-modulated second-order grating. All stimuli illustrated here were vertically oriented and drifting rightward. A: x-t plot of a drifting sinusoidal grating. To look for such systematic misestimation, vernier psychometric functions for pairs of drifting gratings were measured with method of constant stimuli. At t l 50, the three vortices are drifting towards the centre during their rotation, and finally merge towards the central region. The stimuli we used were apparent motion, drifting square-wave gratings, coherently moving sheets of spots, transparent motion, and second-order motion. In our model, one eye at a time contributes, giving the frequency-doubling to a drifting grating. The whole system rotates slowly in the anticlockwise direction as it drifts towards the east. Given extended interactions, the dyad drifts into conflict as a kind of absorbing state that is highly stable over time. At this stage, research can have practical applications in language planning by preventing the national standards from drifting too far apart. His blood pressure was drifting down and his heart rate was picking up speed. He points out that occasional, perhaps sudden glitches may be observed and small drifts might be detected in the supposed constants of nature. As long as the parallel electron drifts are large enough, the radars could see an instability for a large range of possible directions. Right-end symbols illustrate the genuine cross-talk observed with a pure rightward drifting grating presented within a square, upright aper ture. The movements had three distinct components: slow drifts, and two rhythms driven by the pulse and respiration. 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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