However, the product has changed dramatically, from a single thickness of 6.8 mm to a range from sub-millimeter to 25 mm.

然而，玻璃制品在厚度上发生了巨大变化：从单一的6.8毫米变为亚毫米级至25毫米区间的任意厚度。

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A novel scheme for optical millimeter (mm)-wave generation with optical carrier suppression(OCS) modulation by external modulator in a radio-over-fiber (ROF) system was proposed.

提出了一种改进的光载波抑制产生光毫米波的方法。

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