词汇	HF backscatter
释义	HF backscatter 高频返回散射
随便看	network adapter card Network adapter driver network, adaptive network adaptor network add-drop multiplexer architecture Network Addict network addiction Network-addiction Network addiction crime network address network addressable unit network addressable unitnau network addressable unit nau network address and port translation network address block network address book network address domain network address extension network address format network addressing network addressing authority network address transfer network address transition network address translater network address translation