所有科技知识-科学时代

科学时代收录了1160609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。

back nail	back number	back number	back number	back number
back of dam	back off	back-off	back office	back office
back office	back office force	backoffice operation	back-off system (BOS)	back of levee
back of stone	back of the head	back of the house	back opening	back order
back order	back order	back order	back order	back order cost
back order memo	back order memorandum	back orifice	Back Orifice 2000	Back Orifice 2000--Back Orifice 2000 (BO2K)
Back Orifice 2000 (BO2K)	back out of the contract	back pack	backpack	backpacker
back-packing cure	backpack journalist	backpack strip	backpad	back page
back page	back page	back panel	backpart	backpat
backpatching	back pay	back pay	back pay	back pay
back pay	back pay	back payment	back payment	back pillow
backplan	backplane	back planing	backplate	backplate
back pleated skirt	back pollination	back pork	back pork	back pressure
back pressure	back pressure	back pressure	back pressure extraction turbine	back pressure of steam trap
back pressure steam turbine	back pressure test	back pressure turbine	back-pressure turbine	back pressure valve
back-pressure valve	back pricing	back projection	back projection	back-propagation
back-propagation learning algorithm	back propagation network	back pull drawing	back pulling	back pulling
back pull stress	back-purge system	back purge system	back rasher	back reaction
back reaction	back recovery	back region	back rent	back resistance
back rib	back river	backroom	backroom	backroom boy
back rounding	backrush	backrush	backscatter	backscatter
backscatter	backscatter	backscatter	backscatter device	backscattered debris
backscattered electron	backscattered light	backscattered radiation	backscattered ultraviolet radiation （BUV radiation）	backscatterer
backscatter factor	backscatter geometry	backscattering	backscattering	back scattering
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