CD-R discs are widely used to store data in education, research, library and finance industries. The choice of disc becomes an important part of safe information storage.

目前在教育、科研及图书档案等领域中，CD - R碟片被广泛用于数据存储，使得碟片的选择成为信息安全存储的一个重要环节。

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There was positive correlation between longest osteophyte length in male and female and intervertebral disc bulge or herniation degree (r=0.67, 0.84, P<0.05).

男性和女性的最长骨赘长度与椎间盘膨出或突出程度具有正相关关系（r=0.67、0.84， P<0.05）。

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But while CDs can only hold a maximum of 650 megabytes, Pioneer's DVD-R disc, already available, holds nearly 4 gigabytes of information.

FORBES: Standards tangle

Also included in the retail box is one 25GB Sony BD-R blank disc.

ENGADGET: Sony Optiarc debuts 12x Blu-ray writers, makes 'em friendly with BD 3D

The drives write single BD-R media at up to 12X and dual layer BD-R media at up to 8X speeds, recording a full 25GB disc in about 10 minutes.

ENGADGET: Sony Optiarc debuts 12x Blu-ray writers, makes 'em friendly with BD 3D