传播媒介
传播媒介
梅特卡夫把它看作是一个切题的适合传播信息的媒介的隐喻。
Manchu cherry shoot tips can propagate on such three kinds of mediums as MS, G and L mediums, growing vigorously on L medium.毛樱桃茎尖在MS,G,L 三种培养基上均可增殖生长,但以在L 培养基中生长较好。
It is pointed out that there is a close relation between the lateral variation of elastic waves velocities that propagate in the crust or upper mantle and the lateral regime in the same medium.指出地壳和上地幔弹性波速的横向变化,与介质温度状态的横向差异存在密切关系。