In optical recording, a microscopic depression made on the disk surface by the recording laser beam. Recorded information is contained in the pits and the Spaces between pits-lands.
在光记录技术中，由记录激光束在光盘表面上烧蚀的一个微小凹陷区。记录信息包含在凹区和凸区中。
The paper introduces the grouting technology and grouting materials employed to stop the water ingress from the water contained karst depression.
文章主要介绍了该富水溶槽的注浆设计方案、注浆材料及堵水技术。
The invention can reduce the formation of depression on the side walls of the groove contained in the dual-damascene structure;
可减少形成于所述双镶嵌结构内包含的沟槽侧壁上的凹陷的产生；
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