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人口重心
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人口重心
Encyclopedia
法学
人口
释
gravity centre of population
人口重心
在假设一个国家或地区为质地均匀的平面、平面上每个人等重的条件下,使平面保持平衡的支点。
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standards of total luminous flux
standards of translation
standard solar cell
standard solar model
standard solution
standard solution of acid
standard solution of acid (base)
standards on food related products
standard source
standard space
standard spectrum
standard sphere
standard spheroid
standard square
standard star
standard star for photometry
standard star for radial-velocity
standard star for spectral classification
standard star for spectrophotometry
standard state
Standard State Zoning Enabling Act
standard steam
standard stochastic matrix
standard system
standard system for intelligent transportation system
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