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单词
oxygen
释义
oxygen
Encyclopedia
理学
氧
释
oxygen
氧
化学元素,元素符号O,原子序数8,原子量15.999,属周期系ⅥA族。典型的非金属元素。
Physics
oxygen
氧
Astronomy
oxygen
缩写:O。氧
Chemistry
>无机化学>无机化学基本概念与无机化合物>释义
oxygen
氧
随便看
point of geological observation
point of higher order
point of indeterminacy
point of infinity
point of inflection
point of inflexion
point of interest
point of intersection
point of irreducibility
point of libration
point of local connectivity
point of maximum
point of meromorphy
point of minimum
point of multiplicity r
point of net
point of nondifferentiability
point of osculation
point of porosity
point of rarity
point of rectification
point of regular type
point of rest
point of sale
point-of-sale machine
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