In the layout design of the power device, a circular structure was adopted to avoid the spherical junction and reduce the curvature effect.

该功率器件的版图设计为圆形结构，避免了球面结的形成，有效的降低了曲率效应造成的电场集中。

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The relationships of the power input into the reaction system of spherical nickel hydroxide vs. the tapping density and the BET specific area as well as density vs. activity were studied.

研究了球形氢氧化镍的密度与活性，反应体系的输入能量与密度、比表面积的关系。

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In the present study, higher power frequency makes the solid particle of the semi-solid AZ91D more spherical.

在试验范围内，随电磁搅拌电源频率的增大，半固态AZ91D合金组织中固相颗粒形态越来越圆整。

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But one of the biggest breakthroughs in clean energy was actually in solar power, as designers at Rawlemon created a spherical, sun-tracking glass globe that's able to concentrate sunlight (and moonlight) up to 10, 000 times.

ENGADGET: Inhabitat's Week in Green: go-kart made of Lego bricks, TOTO toilet bike and the launch of 'Willow Glass'