Some of them use a great variety of stitch patterns such as flat and piled stitches to give them a three-dimensional effect.

其中的一些使用各种各样的针法，如平针和叠针，使它们看起来有三维的视觉效果。

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The test reveals the excavation effect, time effect, three-dimensional effect and rainfall lagging effect of the prestressed anchor rope composite soil nailing.

试验结果表明预应力锚索复合土钉支护结构具有开挖效应、时间效应、空间效应、降雨滞后效应；

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The outcome is analyzed and three-dimensional effect on MHD accelerator is discussed.

对结果作了分析比较，讨论了三维效应对于MHD加速器的影响。

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This was heavily hyped for its ability to create a three-dimensional effect without the need of glasses or other paraphernalia.

FORBES: Video Game Consoles Will Probably Outlive You

Failure to use the latest three-dimensional modelling software meant nobody anticipated the effect of using lightweight aluminium wiring rather than copper, which is to make bends in the wiring looms bulkier.

ECONOMIST: Airbus and EADS

While current screens have a great gee-whiz feel, they are still a far cry from achieving the effect demanded of most three-dimensional researchers: a realistic, moving hologram like the one of Princess Leia projected from a lens inside R2D2 in Star Wars.

FORBES: Adventures in the Third Dimension