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Racial Type of Ancient North China
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Racial Type of Ancient North China
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历史学
人骨研究
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Racial Type of Ancient North China
中国先秦人种古华北类型
中国先秦时期华北地区古代居民的主要体质类型。
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friction and wear properties of ceramics
friction behavior
friction braking
friction coefficient
friction cone
friction control
friction damper
friction damping
friction dissipation
friction drag
friction drag, fractional drag
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friction effect
friction factor
frictionfactor
friction feed
friction force
friction force microscopy
friction heat
friction heat, fractional heat
friction hoist
friction initiation
friction layer
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friction loss
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