Rsdl

RSDL
reverse spiral dual layer

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RSE
1. Received Standard English.
R-selected
Ecology. 1. selection occurring when a population is far below the carrying capacity of an unstable environment: tends to favor individuals that reproduce early, quickly, and in large numbers so as to make use of ephemeral resources and ensure that at least some offspring survive.
R-selection
Ecology. 1. selection occurring when a population is far below the carrying capacity of an unstable environment: tends to favor individuals that reproduce early, quickly, and in large numbers so as to make use of ephemeral resources and ensure that at least some offspring survive.

Rs flip-flop
SR flip-flop
RSFSR
1. Russian Soviet Federated Socialist Republic. abbreviation 1. (formerly) Russian Soviet Federative Socialist Republic RSFSR Russian Rossijskaja Sovetskaja Federativnaja Sotsialisticheskaja Respublika (Russian Soviet Federated Socialist Republic)