本文还运用媒介的最小量定律和木桶原则，剖析了媒介生存的限制因子，尤其是阻碍地市报生存的限制因子。
We also use the minimum amount of media law and the principles of casks analysis , finding the limiting factor for the survival of the media , in particular the limiting factors of the survival of newspapers .
木桶原则