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polymer for astronautic
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polymer for astronautic
Encyclopedia
理学
航天用高聚物
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polymer for astronautic
航天用高聚物
适应航天工作条件的一类耐高温、耐腐蚀和高强度的高分子合成材料。
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focusing circle
focusing coil
focusing collisions
focusing condition
focusing control
focusing criterion
focusing cup
focusing current
focusing defect
focusing distance
focusing electrode
focusing event theory
focusing factor
focusing foil
focusing geometry
focusing glass
focusing glass measuring distance
focusing hood
focusing knob
focusing lens
focusing magnet
focusing magnetic field
focusing magnifier
focusing method
focusing mount
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