| 词汇 | example_english_directional |
| 释义 | Examples of directionalThese 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. Quinoxalines block the mechanism of directional selectivity in ganglion cells of the rabbit retina. Perhaps the clearest prediction is that the effect of directional selection on heterogeneity is likely to be greatest when selection is intense. Attitudinal change is directional rather than random, it seems. Likewise, certain contexts, as well as the addition of inherently directional elements as in (35b), help significantly. To complicate matters further, it would also be necessary to explain why the oblique is necessarily directional. However, when the result or the directional is expressed with a particle, there is an important difference in word order. The directional convexity takes into account the order structure on the space, which the usual notion of convexity does not. Directional friction forces are introduced in the model for resulting locomotion. Few mobile microrobots,2 within a several micrometers size and omni-directional mobility, however, have been developed, due to the scarcity of a suitable microactuator. 142 integral measures, the directional variation of the robot velocity efficiency is not considered. All of the constraints necessary to account for the directional asymmetry in primary stress placement belong to constraint families already proposed in the literature. Necessarily two directional wave polarities will be equal which implies that one of the parallel wavenumbers will be (approximately) equal to zero. Variations on these non-directional patterns arise when alignment constraints come into play. Given adequate chemotactic or other directional information, it is not impossible to imagine them making their way into the caeca by their own efforts. Cytokines for psychologists : implications of bi-directional immune-to-brain communication for understanding behavior, mood, and cognition. Similar bi-directional interactions occur between the cognitive-regulatory and affective nodes particularly during inhibitory operations. Unidirectional, bi-directional and non-causal pathways have been proposed with some empirical support. In the vari-directional case, the speaker voices the style with the intention of discrediting it (that is, parodies it). Again, the shaded areas indicate those dependents that pattern with allophones in a consistent, directional manner. Motion and growth have directional tendencies which lead us to expect possible outcomes, and they are helpful guides in attributing structural functions. We are in the face of a phenomenon of directional contamination of texture. Mobility of labour also tends to be one-directional. All of these factors add an affective dimension to bi-directional listening not found in one-way listening. Hence, there should be bi-directional activation spreading from concepts to lemmas (in production) and from lemmas to concepts (in perception), that is, full feedback. In the case of sit, there were 352 recognizable forms, and of these 239 had locative or directional phrases that included nouns or pronouns. The analysis also revealed bi-directional crossovers that referred to two motifs, comparisons of the past and present, and the narrator's involvement in intergenerational transmission. The prominent use of the bi-directional motifs may indicate congruence between the narratives' structural coherence and the narrators' explicit efforts to create continuity. Improving efficiency of procedures for compositional synthesis by using bi-directional search. At 4 months of age, the percutaneous saturation of oxygen had increased to 86%, and the shunt at atrial level became bi-directional. He examined various types of one-directional yue issued by superiors to control people. In particular, five categories of gogiid entombment patterns are proposed to describe the multi-directional orientations recorded at the burial time of articulated gogiids. None of the samples produced a meaningful demagnetization path and are all characterized by highly er ratic directional behavior. A further point can be made on the use of capacitance probes, the probe used had a circular plate and was thus omni-directional. The ancestral mean viability was depressed by about 0n7 % per 1 % increase in inbreeding coefficient, indicating strong directional dominance of some of the loci involved. Most quantitative characters (apart from fitness) are subject to stabilizing selection, while fitness is subject to directional selection. Comparing strengths of directional selection : how strong is strong ? Directional selection can result in very large increases in genetic variance as initially rare alleles increase in frequency. Predictions are based only on information available at generation zero of directional selection. Directional selection and the evolution of breeding date in birds. Therefore, directional selection in moderate to large-sized populations is likely to cause an increase in genetic variance. Alternatively, local selection (without balancing selection within demes) was modelled by assuming directional selection acting in opposite directions in the two subpopulations. In other words, constraint filtering relies on the multi-directional inference proper ties of constraints to propagate the consequences of a decision throughout a constraint network. The terms inside the parentheses of (4) and (7) are the genetic coefficient of variation of fitness traits under directional selection. Repeated cycles of directional and truncation selection are practised. At the least, upstairs and downstairs indicates the early entrainment of a directional spatial term with a route. Colours and directions are considered directional opposites while magnitudes are considered converse opposites. Experiment 2 examined whether children preferred antipodal or orthogonal representations for negated terms from pairs of directional opposites. A bi-directional flow of information from producers to researchers allows producers to use the best possible information in making management decisions. A multi-directional information flow is an important component in decision-making. On the other hand, it is possible to use abstract interpretation techniques to infer directional types of a program. We argued that directional types specified by such grammars are quite useful. Directional independence is represented by a scalar condition index derived from these matrices. However, in the long run directional preferences of foraging become increasingly apparent. Since the recordings of directional changes had been adjusted to the spatial scale of foraging, this observation can be interpreted as an age effect. If the verification conditions of a logic program are expressed as set constraints, it is possible to infer directional types that satisfy them. As a trigger feature, directional selectivity might also be expected to be robust with respect to the extent of motion. We have investigated this by measuring the directional tuning for movement of gratings of various spatial frequencies. How to unconfound the directional and orientational information in visual neuron's response. In this study, the method revealed a diversity of patterns of correlation with neuronal directional selectivity which was not evident in first-order analyses. Thus, we cannot exclude a contribution from a static, response level dependent, nonlinearity to the observed directional interactions. The psychophysical task was a two-alternative forcedchoice directional discrimination. The latter index indicates that directional selectivity is statistically significant for all the displacements tested in this experiment down to about 2 mm. An impairment or loss of directional coding could theoretically be based on changes in temporal coding properties. Because of their directional selectivity to moving textures, complex cells are the best candidates for such motion detectors. The response was totally directional, with the first peak evoked by the light edge, and the second by the dark edge of the stimulus rectangle. Because the alternatives were directional, all tests were one-sided. A synaptic mechanism possibly underlying directional selectivity to motion. Nonlinearity of the inhibition underlying retinal directional selectivity. We calculate that this stimulus contains 50 6 2 bits 0s of directional information. Is local directional inhibition essential for directional selectivity? The computation of directional selectivity in the retina occurs presynaptic to the ganglion cell. The omni-directional mobile platform endows the robot with the holonomic mobility on plane. The percentages of males reaching the pheromone source under conditions of directional air current and diffusion were compared (fig. 2). They concluded that directional selection for resistance to attack by the parasitoid, and not any kind of rare advantage, is responsible for their results. All of the preschoolers produced one or more contours in each tone length and directional category. The signal is caused by deflection of the cilial axoneme in response to directional fluid flow across the node surface. No predominant directional trend could be detected by directional correlograms. In the analysis pooled across species, no term was significant for directional asymmetry. The contribution of action potential sources to extracranial fields appears to be small due to multi-directional axon geometry and asynchronous timing of firings. In psychology, where the predictions are only directional, increases in precision actually do the reverse. While the study is correlational in nature, the data may elucidate pathways for future investigations of a more directional nature. The field, which has nonlinear properties, evolves continuously under the influence of input dynamics from three sources, also expressed in compatible directional parameters. Note that the rate of change in amplitude was correlated with movements of both vehicles, but infants responded to directional information as well. The relations between the drawing, text and building are multi-directional. Further, it is important not to presume from cross-sectional data a uni-directional causal relation, for example, from physical health to psychological functioning. Of practical consideration is the ability of the system to provide a robust, directional measure of transcript levels. However, without directional mutation pressure, the fixation of silent mutants would not lead to the extreme biases in synonymous codon usage actually observed. In the long term they also establish the boundaries for directional change, as they determine the range of evolutionary options. In general, attachment organization did not predict lack of agreement when directional differences were entered first into the equation. As before, no significant effects were observed for a more insecure - dismissing attachment strategy using either directional or absolute difference scores. The researcher tries to determine whether the directional change in both partners occurs. No directional hypotheses were made with regard to the comorbid group. While interrelationships are many and multi-directional, they separate out the more important causal flows. No significant effects were found within any of the treatments for measurement error, antisymmetry, directional asymmetry, and trait-size dependence of fluctuating asymmetry values. Being effectively omni-directional, disturbance to the pheromone plume would be minimized and trap entry behaviour would not be a barrier to insects approaching the lure. The sensor system consisted of five weakly directional microphones mounted in a semi-circle. In the cerebral cortex, a bi-directional interaction between short-term reverberations and long-term structured neural assemblies is likely to occur. Walters notes that not all asymmetries are fluctuating; some may be directional or antisymmetry. 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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