The stability factors W of a self-synchronous vibrating machine, in space motion, are given by formula(21)and (54) as working with single mass and dual mass respectively.
自同步振动机的稳定性指数W，当振动机为空间单质体和空间双质体时其表达式分别为式（21）及式（54）。
Fashion short messages make mass culture popular and have formed a large spiritual consumption market. Their cultural value has dual nature.
时尚短信带动了大众文化流行，已形成一个巨大的精神消费市场，其文化价值具有双重性。
TV talk shows is a form of interpersonal communication through the mass media, on the host, its context and level of cross-cutting, not the dual constraints of stability and so on.
电视谈话节目是一种借助人际传播形式的大众传播，对主持人而言，其语境具有交叉性和层次性，不稳定性和制约的双重性等特点。
应用推荐