The wear characteristics of tapes are scratch mark and crack.
磁带磨损特征为划痕和裂纹。
The results show that the typical appearance of worn audio heads is scratch mark. The wear mechanism of the heads is mainly micro-cutting.
结果表明，磁头磨损的典型形貌特征为划痕，磨损机理以微切削为主。
Around the same time, in early 2004, Mark had a similar "itch to scratch" and he started the Spring.NET project.
大约在同一时间，在2004年的早期，Mark经历了相似的“寻找历程”，从而开始了Spring.NET项目的开发。
Scratch - a mark that is found on the wafer surface.
擦伤-晶圆片表面的痕迹。
Surface of the adaptor case should no scratch , . no shrinkage mark, flash and mechnical damage.
外壳表面应平整无划痕、缩水纹、毛刺及其它机械损伤。
The first reason cats scratch is to mark territory.
第一个原因是猫从头纪念领土。
He starts from scratch and strives to leave his mark on history.
需要查一下历史的说法，但他并非阴险狡诈，而是白手起家，力图名垂青史。
He starts from scratch and strives to leave his mark on history.
需要查一下历史的说法，但他并非阴险狡诈，而是白手起家，力图名垂青史。
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