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Van Maanen’s star
释义
Van Maanen’s star
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释
Van Maanen’s star
范玛宁星
距离太阳14.07光年,天球坐标(J2000.0历元)为赤经00h49m09.9s,赤纬+05°23′19. 0″,目视星等为12.37的一颗白矮星。星表编号为:GI35,HIP3829,G1-27,G70-16,LHS7,LTT10292,LFT76,WD0046+051,Wolf28以及W5。
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extension of a field
extension of a function
extension of a group
extension of a Lie algebra
extension of a mapping
extension of a measure
extension of a module
extension of an associative algebra
extension of an equation
extension of an ideal
extension of an operator
extension of a ring
extension of a ring by a module
extension of a semigroup
extension of a space
extension of a structure
extension of a topological space
extension of a valuation
extension of C* algebra
extension of C*-algebra
extension of C*-algebra (exact sequence)
extension of concept
extension of groups
extension of scalars
Extension of the Materia Medica
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