annuluses

n.

a toroidal shape

同义词：ringhaloanulusdoughnutanchor ring

(Fungi) remnant of the partial veil that in mature mushrooms surrounds the lower part of the stem

Methods of measuring heart valve annuluses for valve replacement
Methods and apparatus for measuring valve annuluses during heart valve-replacement surgery
Comments on an ancient Greek racecourse: finding minimum width annuluses
Influence of Metal Rubber Annuluses and Magnetic Damper on Unbalance Vibration of Active Magnetic Bearing System
Dynamic characteristics of active magnetic bearing system with metal rubber annuluses
Roller bearing cage has circumferentially arranged pillars and pair of annuluses connecting the axial ends of the pillars
A Type of Energy Hole Avoiding Method Based on Synchronization of Nodes in Adjacent Annuluses for Sensor Network
Erratum: "Comments on an ancient Greek racecourse: finding minimum width annuluses'' [J. Global Optim. 42 (2008), no. 3, 347–355; M...
Numerical investigation of double-diffusive (natural) convection in vertical annuluses with opposing temperature and concentration g...
ANALYSIS OF THE FACTORS EFFECTING CIRCUMFERENTIAL DEFECT DETECTION IN MAGNETIC PARTICLE INSPECTION OF ANNULUSES BY INDUCED CURRENT M...