科学时代-面向大众传播科学知识、科学方法、科学精神和科学思想的科学普及平台。

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。

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polyblast	polyblend	polyblend	polyblend	polybutadiene acrylic acid copolymer propellant
polybutadiene acrylic acid copolymer propellant（PBAA propellant）	polybutadiene acrylonitrile propellant	polybutadiene acrylonitrile propellant（PBAN propellant）	polybutyl acrylate	poly butylene terephthalate (PBT)
polycarbonate	polycarbonate (PC)	polycarbonate (PC)	polycarbonate plastic	polycarbonate--polycarbonate (PC)
polycarbonate polyurethane	polycarpaea	polycarpine	polycarpon	polycentric
polycentric manager	polycentric orientation	polycentric orientation	polycentric political system	polycentric pricing
polycentrism	polycentrism	polychasium	polychasium	Polychlal fibre
polychlorinated biphenyl	polychlorotrifluoroethylene(PCTFE)	polycholia	polychondritis	polychoral motet
polychoral style	polychord	polychoric correlation	polychoris	polychotomous variable
polychroism	polychromatic beam	polychromatic field	polychromatic lidar	polychromatic light
polychromatic light source	polychromatic percolation	polychromatic printing	polychromatic radiation	polychromatic radiation
polychromatic wave	polychromatocyte	polychromatophilia	polychrome	polychrome
polychrome lacquer	polychrome printing	polychrome TV	polychromy	polychromy