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。

direction	DIRECTION	directional	directional absorptivity	directional aerial
directional aerial antenna	directional antenna	directional antenna; directive antenna	directional attenuator	directional automatic realignment of trajectory
directional balance	directional beacon	directional beam	directional beamforming	directional bezcon
directional blasting	directional bonding	directional broadcasting	directional characteristic	directional characteristics
directional coil	directional comparison	directional comparison protection	directional comparison relay	directional comparison system
directional component	directional confusion	directional control	directional control circuit	directional control cylinder
directional control electrode	directional control valve	directional control valve (hydraulic)	directional control valve (pneumatic)	directional control valves
directional control valve，selector	directional cooling	directional correlation	directional counter	directional coupler
directional-coupler attenuator	directional coupler{=DC}	directional coupler input and output matching	directional coupler modulator	Directional Couplers
directional coupler， aperture copuling	directional coupler， directivity of	directional coupler， scattering matrix of	directional coupler， T	directional coupler， two-hole
directional coupler， two-port	directional coupler， X	directional coupler， Y	directional current protection	directional data
directional dependence	directional derivative	directional diagram	directional discontinuity radiator	directional dispersion
directional distance protection	directional distance relay	directional distribution	directional dominance	directional dose equivalent
directional drilling	directional earth-leakage relay	directional echo ranging	directional effect	directional element
directional emissivity	directional emissivity [of a thermal radiator, in a given direction]	directional emissivity ( of thermal radiator, in a given direction)	directional emitter	directional energy
directional factor	directional filter	directional flow	directional focusing	directional force
directional force of detonation	directional fragmentation mine	directional freezing	directional frictional effect	directional function
directional gain	directional gradient histogram	Directional graph	directional graph	directional ground relay
directional gyro	directional gyrocompass	directional gyro compass	directional gyro (DG)	directional gyroscope
directional homing	directional hydraulic conductivity	directional hydrophone	directional illumination apparatus	directional index
directional instability	directional interchange	directional island	directionality	directionality of variable
directionality problem	directional light	directional lighting	directional line	directional loudspeaker
directional marker	directional microphone	DIRECTIONAL MICROPHONE	DIRECTIONAL MOVEMENT	directional nozzle
directional operation	directional ordering	directional over current	directional overcurrent protection	directional-overcurrent protection
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