They are hard to see when the sub is out of the water, so I may just leave them circular.
他们是不难看出，当小组是出于水，所以我可能只是离开他们的通知。
In the case of the te mode (the polarization direction along to the slit), the transmission characteristics are the same as that of the single sub-wavelength metallic circular hole.
而TE模式下(太赫兹波偏振方向平行于狭缝)，太赫兹波段金属亚波长狭缝的透射规律与单个金属亚波长圆孔相同。
The sub-micron circular features of Compact Disc, Video Disc and Optical Disc are usually produced by laser cutting machine .
声盘、视盘及光盘的亚微米圆弧线一般通过激光刻录机光刻制造。
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