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为什么时空是弯曲的——你也能懂的广义相对论基本原理
01用两句话概括广义相对论 从内在逻辑来看, 广义相对论 (general relativity) 包含两个方面:i. 时空是弯曲的, 其中 (自由降) 质点按此弯曲时空的类时测 ...
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