Sometimes they wear a hat which is made by felt or fur with various patterns.

有时候，他们还会给自己搭配一顶帽子，帽子的材料多为毡制或者皮质的，造型也分为好几种。

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In order to further reduce cost, I have experimented with various patterns for cutting parts from sheets of plywood, and aim to develop a design with no waste.

为了降低成本，我尝试以多种模式来裁切胶合板组件，并且也在努力做到不浪费。

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For many years researchers have been trying to develop a synthetic material with the same light-scattering properties as an opal, by etching patterns into various materials. That approach has failed.

多年来研究者们一直致力于开发一种与猫眼石一样有散射特性的合成材料，他们在各种各样的材料中蚀刻图案，但是都无功而返。

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And if you don't trust your own artistic abilities, Spost says widely available pumpkin carving kits, complete with various patterns and stencils, are good to try.

CNN: Carving up a spooky Halloween

While the exterior walls are white washed, the inward-facing walls are comprised of panels of various shapes and sizes -- all of them covered with brick and tile work in various patterns.

BBC: An Alvar Aalto tour of Finland

But as cells seem to respond most to patterns, the researchers experimented with various pulses of light.

ECONOMIST: Neurology