n.
an upward slope or grade (as in a road)
同义词：ascentacclivityriseraiseclimb
software that provides better performance than an earlier version did
a reservation that is improved
"I got an upgrade to first class when coach class was full"
the property possessed by a slope or surface that rises
同义词：riserising slope
hardware that provides better performance than an earlier version did
the act of improving something (especially machinery) by raising it to a higher grade (as by adding or replacing components)
"the power plant received a new upgrade"
Upgrading in Global Value Chains: Lessons from Latin American Clusters
Biomass upgrading by torrefaction for the production of biofuels: a review.
Review of fast pyrolysis of biomass and product upgrading.
Review of biomass pyrolysis oil properties and upgrading research.
PDB2PQR: expanding and upgrading automated preparation of biomolecular structures for molecular simulations
How does insertion in global value chains affect upgrading in industrial clusters?
Systems and methods for automatic application version upgrading and maintenance
Trade Liberalization, Exports, and Technology Upgrading: Evidence on the Impact of MERCOSUR on Argentinian Firms
Method and system for providing automated updating and upgrading of antivirus applications using a computer network
From Brain Drain to Brain Circulation: Transnational Communities and Regional Upgrading in India and China
