理学 计算机存储部件 释 master output tape 标准幅度带 标准半英寸磁带机的一种二级标准磁带。带上没有任何信息，但磁带的物理特性、机械参数和电磁特性都符合国际标准化组织的有关标准，可用来检验磁带机的读写性能。
计算机硬件 存储设备 释文 master output tape 标准幅度带
- history of Belize
- history of Boehmeria nivea cultivation
- history of Brazil aerospace
- history of bream culture in China
- history of British aerospace
- history of buck-wheat cultivation
- History of Buddhism in Han Dynasty，Wei Dynasty，Jin Dynasties，Southern and Northern Dynasties
- history of Bulgaria
- History of Burmese Literature
- history of butterfish fishing in China
- history of Canada aerospace
- history of canal engineering technology in ancient China
- history of canals in the world
- history of Carangidae fishing in China
- history of carp culture in China
- history of carp fishing in China
- history of cartography
- history of cattle raising
- history of cattle raising in ancient China
- history of celestial body
- history of ceramics
- history of Changjiang river water conservancy
- history of chemical fibre industry
- history of chemical fibre production
- history of chemistry