【电】 center ring structure
centrality; centre; centricity; core; heart; hub; kernel
【医】 center; centra; centre; centro-; centrum; core
annulus; hem in; link; loop; ring; surround
【计】 ring up; toroid
【化】 ring
【医】 annuli; anulus; band; circle; circulus; cycle; cyclo-; gyro-; loop; orb
ring; verge
frame; structure; composition; configuration; construction; fabric; mechanism
【计】 frame work
【医】 constitution; formatio; formation; installation; structure; tcxture