supersession [
`supɚ'sɛʃən]
n. 取代, 更迭, 废弃
[经] 代替, 废弃, 撤换
supersession[ noun ]
act of replacing one person or thing by another especially one held to be superior
<noun.act>
Supersession \Su`per*ses"sion\, n. [Cf. OF. supersession. See
{Supersede}.]
The act of superseding, or the state of being superseded;
supersedure.
The general law of diminishing return from land would
have undergone, to that extent, a temporary
supersession. --J. S. Mill.