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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unperforated tape	unpermeability	unperturbed	unperturbed model	unperturbed orbit
unpicked rate	unpierced bulkhead	unpigmented rubber	UNPITCHED INSTRUMENTS	unpitched sound
unpitted fruit	unplanned	unplanned buying	unplanned component issue	unplanned derating
unplanned down time	unplanned issue	unplanned outage	unplanned outage factor	unplanned outage hours
unplanned outage state	unplanned outage time	unplanned outage times	unplanned release	unplanned remote takeover
unplanned unavailability time	unplated steel plate	unpleasant odo(u)r	unpleasant smell	unpleasant smells
unpledged assets	unplugged	unplunging	un pochettino {It.}	un poco {It.}
unpolarizable electrode	unpolarized	unpolarized electrode	unpolarized light	unpolarized radiation
unpolarized wave	unpolished rice	unpowered	unpowered flight	unpowered rotor speed
unprecedented heading	unpredicatable result	unpredictability	unpredictable ADR	unpredictable event
unpremediated war	unpremeditated expansion of a war	unprepared airfield	unprepared conductor	unprepared country
unprepared suspension	unpressed pleat	unpressurized	unprintable area	unprinted dot