单词	台上台下
释义	台上台下 above and below the stage
随便看	linear papilla Linear papilloma linear parabolic equation linear parabolic equations linear parabolic problem linear paraffin linear paragraph model linear paragraph structure linear parallax linear parallel linear parallelism linear parameter Linear parameter estimation linear parameterization linear parameter-varying linear parameter-varying model linear parameter varying system Linear parameter-varying system linear parameter-varying systems Linear parameter-varying system with time-delay linear parameter-varying type uncertainty linear parametric amplifier linear park linear part linear partial differential equation