focused grid

• [医] 聚光[X线]滤线栅

focused grid的用法和样例：

例句

1. In this manner energy is transferred from the field to the grid.
   能量就这样由电场传给线栅。
2. It is not so easy a matter however to fabricate a grid which will polarize light, but it has been done.
   然而要做一个让光起偏的线栅则不那样容易，但是究竟还是做出来了。