directional receiver

• 接收定向信号的接收机,定向信号接收机,定向接收机

directional receiver的用法和样例：

例句

1. Allow Use of Low Cost Receiver in Voting System.
   允许在比选系统中使用低成本接收机。
2. Install sponge as shock absorber for battery and Receiver.
   接收机和电池都需用泡沫海绵包裹减震。