所有科技知识-科学参考

科学参考收录了1248194条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。

backup	back up	back(-)up	back up area	back up battery
back(-)up belt	back-up belt	back-up block	back-up breaker	back-up chock
back-up coat	backup control data set	backup copy	back up copy	back up data
backup data set	backup diskette	back-up disk (-sc)	back-up drum	backup file
backup flange	backup fuse	back-up heel	back up in parsing	Back-up Intercept Control
back-up item	backup item	back-up lamp	back-up light	back up memory
back up oscillator	back-up overspeed governor	backup plate	back up procedure	back-up process
back up protection	back-up punch	backup radar	backup relay	back-up ring
back-up roll	back-up roll arbor	back-up roll bearing	backup roll extractor	back-up roll sleeve
back-up sand	backup satellite	back-up shaft	back-up spring	back-up strip
back up system	backup system	back-up system library	back up tape	back up value
back-up washer	back-up water level	back up (铸造用语)	Backus-Naur form	Backus-Naur notation
Backus normal form (BNF)	back valve	back vent	backventing	back vent (虹吸管的)
back view	back view mirror	back voltage	backwall	back-wall cell
backwall photovoltaic cell	backwall photovoltaic effect	back wall (玻璃熔窑)	backward	backward acting decoder
backward acting regulator	backward aerofoil blade	backward and bidirectional	backward and forward bending test	backward and forward extrusion
backwardation	backwardation contango	backward attribute	backward bending supply curve	backward bent vane
backward-bladed aerodynamic fan	backward-bladed impeller	backward brush lead	backward busying	backward chaining
backward channel	backward channel ready	backward counter	backward country	backward creep
backward crosstalk	backward-curved blade fan	backward curved vane	backward decay	backward dictionary
backward difference	backward-differnece formula	backward diode	backward dislocation	backward drainage
backward echo	backward effect	backward erosion	backward extrusion	backward failure
backward feed	backward field impedance	backward field torque	backward file recovery	backward flashover
backward flow	backward forward counter	backward-forward counter	backward gain	backward gear
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