根圆 root circle
- 总体上它们是圆的,但沿一根轴比另一根轴延伸得要更长一些。
They are generally round but stretch longer along one axis than along the other. - 伦敦画报展现了他的一顶高而圆的清教徒帽,一根鸵鸟翎毛凸显了其雍容华贵。
The Illustrated London News presented him replete with a tall, round Puritan hat, his flamboyance signalled by an ostrich feather. - 这些被蚀刻在标准硅晶圆中的渠道直径大约有50微米(一根头发丝的直径)。
These channels, which have a diameter of 50 microns (about the width of a human hair) are etched using standard silicon fabrication.
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