When a file is deleted, only its reference in the disc index is removed.
用来使磁碟上损坏或删去的档案时，只是磁碟上的对照索引被取消。
Disc brakes have become an important guarantee of the vehicle safety device, its quality and brake performance is an important index of the manufacturer concerned.
盘式制动器已经成为了车辆安全的重要保障装置，其质量和制动性能是生产厂家关注的重要指标。
Using an industry standard Size 15 modular mounting pattern, the index mark on the disc hub can be coarse aligned to the index sensor position on the housing.
使用业界标准尺寸15模块化安装模式，光盘上的枢纽指数标记可以粗对齐房屋价格指数上的传感器的位置。
The compression index could reflect the nature of spinal cord injury better than size of disc protrusion.
脊髓受压指数比间盘突出大小更能反映脊髓受损的实质。
The strength index of the refined pulp decreased in some extent, as the bar height decreased. On the other hand refining energy consumption increased when the disc was abraded.
实验表明，随着磨片齿高的降低，打浆后成浆的物理强度性能指标呈下降趋势，而打浆电耗却增加显著。
Disc heights on radiographs taken at index surgery and at long-term follow-up were compared. Outcome was assessed by validated questionnaires.
比较患者术前和随访时的椎间盘高度(从X光片上测得)，通过对患者进行有效的问件调查评估疗效。
Disc heights on radiographs taken at index surgery and at long-term follow-up were compared. Outcome was assessed by validated questionnaires.
比较患者术前和随访时的椎间盘高度(从X光片上测得)，通过对患者进行有效的问件调查评估疗效。
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