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单词
Ring Nebula
释义
Ring Nebula
Encyclopedia
理学
行星状星云
释
Ring Nebula
环状星云
位于天琴座的典型的行星状星云。星表中的编号为M57和NGC6720。位于北天区,距离地球2300光年,目视星等8.8,半径约1.3光年。由于面向地球呈环状结构,并处于明亮的织女星以南,长期以来备受关注。
Astronomy
Ring Nebula
指环星云
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interpolation indicatrix
interpolation inequality
interpolation knot
interpolation matrix
interpolation method
interpolation node
interpolation of a function
interpolation of an operator
interpolation of a stationary process
interpolation of a stochastic processes
interpolation pair
interpolation polynomial
interpolation principle
interpolation problem
interpolation process
interpolation property
interpolation quadrature formula
interpolation quadrature sum
interpolation scheme
interpolation sequence
interpolation series
interpolation set
interpolation space
interpolation spline
interpolation theorem
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