本文介绍一种新颖的双频微带天线，它通过在贴片上开十字槽和加载两个短路探针实现小型化和双频工作。
A new dual-frequency microstrip antenna is presented, which operates at dual frequencies with a compact size by using two shorted probes and slots on the patch.
目的探讨脑组织切片免疫组化技术中漂片法与贴片法的效果。
Objective To explore effect of methods both bleach section and stick section of brain tissue in immunohistochemistry.
贴片灯珠，全自动化回流焊生产；
SMD lamp beads, manufactured through full automatic reflow soldering line.
应用推荐