round optical fiber 圆光纤 ; 圆光学纤维
round optical flat 圆形光学测平仪
round d optical fiber 圆光纤
round trip optical length fluctuation 环程扰动
optical round
光轮
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The typical standards of built-in optical drive, HP QuickPlay, 6-in-1 card reader and 6-cell batter round out the capable, but lower-end laptop.
ENGADGET: HP updates Pavilion DV1000, DV8000 and adds DV5000 notebook
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