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。

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Porto do Barka	Porto d′Ascoli	Porto Empedocle	Porto Esperanca	Porto Espisidiao
Porto Estrela	port of adjudication	port of aerial debarkation	port of aerial embarkation	port(of a network)
port of arrival	port of call	port of coaling	port of debarkation	port of delivery
port of departure	port of destination	Port of destination	port of discharge	port of dispatch
port of distress {= p.o.d.}	port of embarkation	port of embarkation casual detachment	port of entry	Portoferraio
port of export	port office	port officer	port of import	port of loading
Port of Lodon Authority {= PLA}	port of origin	Porto Franco	port of recruit	port of refuge
port of refuge {= p.o.r.}; refuge harbour	port of registry	port of sailing	port of sailing; sailing port	port of shipment
port of shipment; shipping port	Port-of-Spain	port of transhipment	port of transshipment	portography
Portogruaro	Porto Guaira	portogynous (Hildebrand 1867)(proterogynous)dichogamy	Porto Jofre	Portola Valley
porto marble	Porto Mendes	Porto Murtinho	Porto Nacional	Porto Novo
Porto-Novo	Port Ontario	Porto Orchard	port opening	port operation service