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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。
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3 dimensional laser scaner
3 dimensional manifold
3-dimensional manifold
3-dimensional space
3D interaction
3D laser scanning technology in civil engineering
3D loom
3D map
3D map geometric model construction
3D map interaction
3D map rendering
3D map scene
3d-matching algorithm
3D model virtual construction
3D morphing
3D mouse
3D navigaiton mode
3D navigation
3D of ore body
3D pirning of medical prosthesis
3D printed architecture
3D Printed Concrete Pedestrian Bridge in Shanghai
3D printed low-cost housing of Kenya
3D printed steel bridge in the Netherlands
3D printer
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