什么是 accession?The attainment of a dignity or rank: the queen's accession to the throne. Something that has been acquired or added; an acquisition.An increase by means of something added.Law The addition to or increase in value of property by means of improvements or natural growth.Law The right of a proprietor to ownership of such addition or increase.Agreement or assent.Access; admittance.A sudden outburst.To record in the order of acquisition: a curator accessioning newly acquired paintings.