... 可变光学密度 varying optical density 显微光学密度计 microphotodensitometer 质量光学密度 mass optical density ...
基于66个网页-相关网页
·2,447,543篇论文数据，部分数据来源于NoteExpress
The solutions for optical mass storage system and their principles are analyzed briefly, based on which, the key technologies for the improvement of the recording density are discussed.
在此基础上，扼要分析了现有提高存储器存储密度的思路及关键技术，给出当前国际先进水平的技术指标。
youdao
应用推荐
模块上移
模块下移
不移动