inelastic critical stiffness

critical bearing stiffness

critical and non-critical human error

critical velocity [= critical speed]

super-critical and ultra super-critical power unit

the k-out-of-N:G redundant system with repair and multiple critical and non-critical errors

the super-critical and ultra super-critical valve

trans-critical and super-critical speed

Longitudinal stiffness and transverse stiffness

positive stiffness and negative stiffness

ratio of dynamic stiffness and static stiffness

(CPM)Critical Path (CPM)

△-critical graph

0℃ critical temperature

10℃ Critical temperature

1-critical graphs

300 MW sub-critical pressure

300MW sub-critical pressure

330 MW sub critical pressure