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baade
巴德  detail>>
walter baade
沃尔特巴德  detail>>
no-radius
零半径  detail>>
radius
 n.  (pl.radii ) 1.半径;半径范围。 2.【解剖学】桡骨。 3.(车轮的)辐;【物理学】辐射线;【无线电】径向射线;辐射物...  detail>>
absence of radius
桡骨缺失  detail>>
action radius
【军事】行动半径。  detail>>
aerodynamic radius
空气动量半径  detail>>
ambulacral radius
步带辐板  detail>>
angular radius
角半径  detail>>
apparent radius
表观半径,视半径 视半径  detail>>