词汇	PAL color televison system
释义	PAL color televison system PAL 彩电系统
随便看	invariant decision problem invariant decomposition invariant definition invariant delta-function invariant derivation invariant derivative invariant differential invariant differential equation invariant differential equations invariant differential form invariant differentialoperator invariant differential operator invariant dimension property invariant distance invariant distribution invariant distribution function Invariant Distribution of Jump Process invariant divisor invariant domain invariant dyadic invariant eigen-operater invariant eigen-operator invariant electrical length interferometer invariant element invariant element of transformation