disk-disk rheometer  双盘式流变仪

Backup and restore of floopy disk and hard disk  软、硬盘备份恢复

disk scheduling basded on disk arm and rotational position  基于磁臂位置和旋转位置的磁盘调度

disk-to-disk  磁盘到磁盘

zip disk， zip disk drive  极碟驱动器; 极碟

a scratch of pen  签名

adhesion and scratch  粘着和擦伤

ANTI-SCRATCH  耐划伤

Bierbaum scratch hardness  比尔巴姆刮痕硬度

Blade Scratch  饱和甘汞电极; 刮刀痕

cai-scratch fever  猫抓热

Cat scratch disease  猫抓病

Cat-scratch disease  猫抓病; 猫抓病性淋巴结炎

Cat-scratch fever  猫抓热

crosshatch scratch pattern  网纹状刮伤模式

die scratch  压模划痕

drift scratch  冰碛擦痕

epidermal scratch  皮肤划痕

guide scratch  导卫划痕