不变价 at constant price ; in real terms ; prix constant ; constant terms 可变价 variable valence 变价调整 variation adjustment ; haha variation adjustment ..
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variable valence elements 变价元素
variable valence andreduction 变价与还原
metal oxides with variable valence 变价金属氧化物
valence-variable element 变价元素
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These elements, unlike the transition elements, do not exhibit variable oxidation states, and their valence electrons are only present in their outer shell.
这些元素，不像过渡金属那样显示出可变的化合价，他们只有最外层电子参加反应。
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