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纪念邮票
邮政部门为纪念重大事件、重要活动或人物而专门发行的邮票。是邮票票种之一,图案多以与事件、活动或人物有关的内容为题材,并有特定的纪念文字或徽志及年代,发行数量有一定限制,出售时间较短,一般不再重印。
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Heidelberg Observatory
Heidelberg School
Heiden halo
Heidi, A Girl of the Alps
Heiding
Heifangtai loess landslide group,Gansu provience
Heifei-Fuzhou High Speed Railway
height
height above sea level
height-adjustable bearing
height anomaly
height circle
height control network
height coordinate
height datum
height equation
height equivalent of theoretical plateplate
height equivalent to a theoretical plate
height equivalent to a theoretical plate (HETP)
heightest weight
height finder
height for age
height function
height-gate turnoff
height-index circuit
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