Yahoo奇摩字典 網頁搜尋

搜尋結果

1. Oxford American Dictionary

   propagation

   • IPA[ˌpräpəˈɡāSH(ə)n]

   美式

   • n.
     the breeding of specimens of a plant or animal by natural processes from the parent stock；reproduction by natural processes

   • noun: propagation

2. • 釋義

   n.

   名詞

   • 1. the breeding of specimens of a plant or animal by natural processes from the parent stock the propagation of plants by root cuttings propagation techniques such as grafting
   • ▪ reproduction by natural processes hunting regulations ensure the propagation of the species asexual propagation is the primary mode of reproduction
   • 2. the action of widely spreading and promoting an idea, theory, etc. a life devoted to the propagation of the Catholic faith the propagation of ideas was important
   • 3. transmission of motion, light, sound, etc. in a particular direction or through a medium the propagation of radio waves through space the physics of light propagation