＞无线电物理学＞微波物理学＞释义 directional antennas 定向天线
directional antenna; beam antenna 定向天线
网络与数据通信 无线网络 释文 directional antenna 定向天线
- ground diameter
- Ground-dog Techniques
- ground dragon
- ground-dwelling pest
- grounded design
- grounded theory
- ground effect
- ground effect of main rotor
- ground escape and safety control system
- ground fermentation
- ground field
- ground field characteristic
- ground fissures
- ground fit test of airborne stores
- ground form
- ground fractures disaster
- ground gamma-ray surveying
- ground geophysical prospecting methods for groundwater
- ground glass
- ground glasses screen
- ground gravity survey
- ground improvement
- ground improvement and reinforcement for hydraulic structures
- grounding
- grounding device