暗物质：这一般是指“外来的”非重子物质，与普通物质只有较弱的的相互作用。
Dark matter: this generally refers to "exotic" non-baryonic matter that interacts only weakly with ordinary matter.
暗物质：这一般是指“外来的”非重子物质，与普通物质只有较弱的的相互作用。
Dark matter: this generally refers to "exotic" non-baryonic matter that interacts only weakly with ordinary matter.
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