This is in contrast to data replication, which moves a much smaller set of data, as it is going to central or distributed locations in a more automatic fashion.
数据复制移动的数据集就小很多，可以更自动化的方式移动到集中的或是分散的位置。
2
The whole set-up consists of the optical system, the electrical signal processing system and the automaticdata logging set-up.
整个装置由光学系统、电信号处理系统和数据自动记录系统组成。
3
Statistical data show that these automatic machines of good effect, to set a very high rate.