spreaded推广spreadv.传播；展开；散布；铺开；伸展；涂撒n.范围；传播；差额；幅度；盛宴spreading parameter扩展参数Spread - spectrum扩频spread of the nature性质的推广spread specification传播规范spread of activation激活扩展spread by television电视传播spread and diffusion传播扩散spreading of a slick浮油在水面扩展spreading resistance扩展电阻Spread risk analysis发芽温度