（）是关于数据的数据，是数字图书馆资源建设的重要基础。
参考答案：元数据
6502电气集中，（）是用来区分黄与双黄显示的。
A.ZXJ
B.TXJ
C.DXJ
D.LXJ
They used to quarrel a lot, but now they are completely ______ with each other.
A. reconciled B. negotiatedC. associated D. accommodated
