根圆直径的意思|根圆直径的解释-里氏词典

根圆直径 [gēn yuán zhí jìng]

[机] root diameter

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.
筷子是用木或竹、骨及其它材料制成长25-30厘米、上方（各边为8毫米）下圆（直径为3-5毫米）的二根小棍。
About 25 to 30 centimeters long, their top is square, about 0.8 square centimeter, and the low end round with a diameter of 3 to 5 millimeters.
然后通过微透镜将光纤列阵输出的圆对称光束耦合进入一根较细的光纤，以进一步压缩光斑直径并提高光束亮度。
then the circular laser beam from the fiber array is coupled into a single thin fiber by a micro-lens to reduce the beam diameter and improve its brightness.

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