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design effect

设计效应：在调查方法学中，设计效应（通常表示为Deff或Deft2）是对采样设计对估计量方差的预期影响的度量。它被计算为基于（通常是）复杂采样设计的样本的估计量的方差与基于相同数量元素的简单随机样本（SRS）的替代估计量的方差的比值。Deff（无论是估计还是已知的先验）可用于调整估计量的方差，以适应非简单随机抽样的情况。它还可以用于样本量计算和量化样本的代表性。术语“设计效应”由Leslie Kish于1965年创造。

设计效应

...) 阅读全文>> 权威出处：《化工设备与管道》2002年06期统计与管理基于超总体模型的抽样设计效应估计 设计效应(design effect,简记为deff)是抽样理论中的一个重要概念。

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短语

effect displaying design 成效图设计 ; 效果图设计

stack effect design 超高层建筑的烟囱效应原理和实例

Effect & design 作用及设计

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abstract: In statistics, the design effect (or estimates of unit variance) is an adjustment used in some kinds of studies, such as cluster randomised trials, to allow for the design structure. The adjustment inflates the variance of parameter estimates, and therefore their standard errors, which is necessary to allow for correlations among clusters of observations.

以上来源于: WordNet

Cost control: to conduct quota design while ensuring the design effect thus to effectively control the cost of every landscape project.

控制成本：在保证设计效果的同时，进行限额设计，有效控制景观工程成本。

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Perspective drawings of buildings should not only reflect the future buildings as objectively and exactly as design effect drawings, but also be composed artistically and rendered visually appealing.

建筑透视图反映的未来建筑物不仅要与设计效果图一致，还要从艺术的角度去构图和渲染。

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The unit achieved expected design effect after several months running.

装置运行结果表明，设计达到了预期的效果。

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更多双语例句

People magazine recently adopted responsive design to great effect in order to scale traditional Web content across screens.

FORBES: Mobile Apps: The Trouble With Using 'Responsive Design'
Born and raised in Hiroshima, Miyake discovered the empowering effect of design in a way he could never have imagined.

WSJ: Progressive Dress | Designer
"But it was when he visited Genoa and he actually saw the kind of properties that merchants were living in and he thought, I am the richest man in Wales I need something better than a ramshackle of pile, and when he was in Rome he commissioned another architect to design, what is in effect, a palace of culture, " Mr Gammond said.

BBC: Sir Watkin Williams

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