所有科技知识-科学时代

科学时代收录了3405121条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。

directional over current relay	directional overcurrent relay	directional pattern	directional pattern of microphone	directional peer-group
Directional Peer-Group	directional pilot relaying	directional plan	directional policy matrix	directional power protection
directional power relay	directional pressure	directional probe	directional property	directional propulsor
directional protection	directional quantization	directional radar prediction	directional radiation	directional radio
directional radio beacon	directional radio radiation	directional radio signal	directional radio telegraphy	directional ray
directional receiver	directional reception	directional reflection	directional relay	directional response pattern
directional scatterer	directional screen	directional selection	directional selection (Mather 1948); dynamic selection; linear selection; progressive selection	directional selectivity
directional shear	directional shooting	directional signal light	directional silicon steel strip	directional solenoid operated valve
directional solidification	directional spectral emissivity	directional spectral wave model	directional spectrum	directional spreading function
directional stability	directional stabilizer	directional structure	directional survey	directional transaction
directional transducer	directional transmission	directional transmitter	directional traverse	directional unit
directional valency	directional valve	directional valve box	directional wave measuring equipment	directional wave spectrum
directional well	directional wireless	direction angle	direction-annexed traverse	direction arm
direction board	Direction C.	direction center	direction change relay{=DCR}	direction character
direction coefficient	direction comparison protection system	direction component	direction control	direction control circuit
direction control valve	direction cosine	direction cosines	direction coupler， GRIN-rod lens	direction course
direction, crystal	direction detection	direction detector	direction detector; direction finder {= DF}; finder	direction distortion
direction distribution	direction drilling	direction effect	direction equation	direction field
direction filtering	direction finder	direction finder antenna	direction finder bearing indicator	direction finder calibrator
direction finder deviation	direction finder (DF)	direction finder{=DF}	direction finder {= DF}	direction-finder guardship
direction finder, radio	direction finder sensitivity	direction-finder sensitivity	direction-finding	direction finding
Direction Finding Algorithm	direction finding algorithm	direction-finding antenna	direction finding{=DF}	direction finding {= DF; DF-ing}
direction-finding indicator	direction finding penetration and approach procedures	direction finding receiver	direction-finding station	direction finding station
direction-finding system	direction finding system	direction-fixed axis	direction flag	direction float
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