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孑遗
曾经分布广泛或比较广泛,且数量和种类均很多,但随着时间推移逐渐衰退,或在重大事件特别是灭绝事件打击之后遭受重创,只有少数个体和种类孤独地生存于个别地区,并有日趋灭绝之势的生物。生物宏演化进程中的分类单元型式。
Physics
relict
残余[物]
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Founding Ceremony of the People’s Republic of China
founding principles of television stations
foundling hospital
foundry
foundry coke
foundry equipment
foundry sand
fountain
fountain clock
fountain clock steered time scale
fountain code
fountain effect
fountain model
fountain moss
fountain pump
fountain solution
Four Academies established by Emperor Wen of Liu Song
four-acceleration
four accompanying supports of aircraft materiel
four acoustic properties of speech sounds
four acts and one prologue
four agricultural subsidies
Fourah Bay College
Four-arched Pagoda
four arithmetic operations
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