n.粉末检波器
During the procedure, the DXF-file was used as a swap file to form a coher ent flow frow the original drawing to the 3-D movie which was used in the multimedia training system and courseware. 在实现过程中，利用DXF文件作为转换文件，使得从根据图纸绘制的原图到三维动画形成了一个连贯的流程。
mercury coherer 汞检波器
anti coherer 散屑器
granular coherer 颗粒检波器
self-restoring coherer 自恢复式粉末检波器
