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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。

poor-compactibility poor compression poor concrete poor conductor poor conductor of heat
poor contact poor country poor cracking stock poor crop poor drainage
poor eater poor economic performance poor efficiency poor fit poor focus
poor gas poor geometry poor germination poor grade poor grain size distribution
poor growth poor harvest poor insulation poor insulator poorish
poor land poor lighting poor lime poorly directive antenna poorly graded
poorly-graded aggregate poorly graded gravel poorly heated poorly sorted poor maintenance of equipment
poor management poor mixing poor mixture poor mountains and torrential rivers poor nutritional state
poor ore poor peasants' fund poor people poor products poor-quality concrete
poor quality of the ores poor regulation poor sales poor separation poor soil
poor solvent poor starting poor stop poor value poor visibility
poor weld poor wire connection poor workmanship pop pop action
pop an empty stack pop art popcorn popcorn machine popcorn noise
pop culture (流行文化) pop down Pope rifling pop gate pop hole
popin pop-in load pop instruction pop-in upgrades popiteal vein
poplar poplar and willow poplar flower poplar(Populus) Pople's SCF method
popliteal artery popliteal artery entrapment syndrome popliteal bursitis popliteal fossa popliteal groove
popliteal line popliteal lymph nodes popliteal muscle popliteal nerve popliteal pression test
popliteal surface pop noise eraser pop-off pop-off flask pop-off valve
poponax resin Popov criterion Popov line Popov's condition Popov's method
Popov's stability criterion popparoni popper poppet poppet head stock
poppet interlock poppet relief valve poppet stock poppet valve poppet valve gear
popping popping pressure poppy poppy capsule poppyhead
poppy oil poppy seed Pop rivet pop safety valve pop shot
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