取代,更?,廢棄
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The act of superseding, or the state of being superseded;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.
supersession
n : act of replacing one person or thing by another especially
one held to be superior [syn: {supersedure}]