rotating antenna

• 旋转天线

rotating antenna的用法和样例：

例句

1. So a separate rotating aerial is used for that purpose.
   为此需要用一种单独的旋转天线。
2. Information is collected through the use of special rotating antennae found on the two strands that form the helix and located where each strand intersects with its four ladders.
   通过使用在二条里发现的特别旋转天线收集信息，二条形成螺旋状用它的四个阶梯固定在每条横断面上。