题目内容
(请给出正确答案)
[单选题]
During the protection switching of the ZXCTN equipment, which of the following APS in
A.Protection lock
B.Protection signal invalidatio
C.Forced switching
D.Working signal invalidatio
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A.Protection lock
B.Protection signal invalidatio
C.Forced switching
D.Working signal invalidatio
A.On, in
B.On, at
C.During, in
D.In, at
A.honeymoon
B.cirsis
C.adjustment
D.birculturalism
A.evolution
B.book
C.pen
D.writing
A.spring up
B.spring out
C.spring off
D.spring away
Why do dates require special treatment during the ETL process?
为什么在ETL的过程中需要对日期进行特殊处理?