词汇 | top-down |
释义 | top-down adjective[ before noun ] uk /ˌtɒpˈdaʊn/ us /ˌtɑːpˈdaʊn/ used to refer to a situation in which decisions are made by a few people in authority rather than by the people who are affected by the decisions: 自上而下的 a top-down approach/strategy自上而下的做法/策略 Opposite bottom-up Decisions and deciding ascription be make or break for someone/somethingidiom be on the horns of a dilemmaidiom choose clinch conclusion finalize fish or cut baitidiom flip flip a coinidiom get something into your headidiom judge resolution see fitidiom sleep split decision swing swing the balanceidiom take it into your head to do somethingidiom take the plungeidiom top-down | Business Englishtop-down adjective[ before noun ] MANAGEMENTuk /ˌtɒpˈdaʊn/ us /ˈtɑːp-/ starting from the highest levels or from the most general ideas of an organization, system, plan, etc.: Staff were not happy with the top-down approach to managment of the new CEO. The attempt to impose top-down decisions was resisted at every level. This report follows a top-down model in its assessment of the problems we face. Compare bottom-up Examples of top-downtop-down A complete specification of the model will require more investigation of the role of top-down inhibition among representations. Forthcoming procedures for the analysis of electroacoustic music should derive from the synthesis of top-down and bottom-up views derived from different competences. Thus, the refinement of abstract model into a detailed one is, in their interpretation, a feature of top-down design. Experimental test in lowland tropical forest shows top-down effects through four trophic levels. Research results to back up this top-down relationship are easily found. This approach relieves the problems existing in a bottom-up approach and those in a top-down approach. Repeated spatial or temporal coincidences between top-down expectation signals and bottom-up input signals reinforce the relative weights of signal exchanges in a given neural circuit. The electoral majority the government rests on is top-down, not bottom-up, and thus is not one created by the voters' expressed preferences. The column was subjected to several cycles of top-down freezing and thawing to simulate an active layer. It is an account of the dangers of blueprint, top-down development and its focus on scientific control. All the rich associations of "top-down" control were built into the discourse and nowhere questioned. Increasing the information content of input representations minimizes the potential necessity for top-down processes. Along with top-down support and reasonable expectations, here are further components in initial planning. Produce by these small farmers was marketed either by ' top-down-created ' co-operatives or state owned crop authorities. The richness of these bottom-up sources of redundancy leaves little room for any top-down sources to improve the phonological yield. See all examples of top-down 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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