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。
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）。
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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