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城市轨道交通设施
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列车运行的基础,直接承受列车荷载,并引导列车运行和将其荷载传布于路基之上。
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原子核物理学、粒子物理学
粒子物理学
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>声学>水声学>释义
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①径迹
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②跟踪 ③航迹 ④磁迹,轨迹 ⑤道{计} ⑥电痕
Mathematics
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径迹,轨道
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first countable space
first countable topology
first Cousin problem
first criminal trial
first critical magnetic field
first curvature
first day cover
first day of lunar month
first demographic transition
first derivative
first derivative test
first difference
first differential
first differential parameter
first differentiator
first digit law
first digit phenomenon
first display at Nantong Museum
First Display at the Musée Hoangho Paiho
first-dose phenomenon
first economics adjustment of China
first edition
First Edition of Serial Book List
First Emperor of Qin Dynasty
first emptiness
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