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理学
古生物学
释
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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
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残余[物]
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electromagnetic momentum flow density
electromagnetic multipole radiation
electromagnetic parameter analysis and recording equipment
electromagnetic parameters measuring instrument
electromagnetic picture of world
electromagnetic potential
electromagnetic print head
electromagnetic processing of materials
electromagnetic processing software
electromagnetic process of materials
electromagnetic properties of rock
electromagnetic properties of rocks
electromagnetic propulsion
electromagnetic pulse
electromagnetic pulse bomb
electromagnetic pulse protection
electromagnetic pulse sterilization
electromagnetic pump
electromagnetic purification of molten metal
electromagnetic radiation
electromagnetic radiation emitting receiver
electromagnetic radiation, EMR
electromagnetic radiation management
electromagnetic radiationpollution prevention and control law
electromagnetic radiation safety standards
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更新时间:2026/11/15 9:40:10