So far, Dr Murphy told the conference, these experiments have merely confirmed the equivalence principle to one part in 10 trillion.
Murphy博士在会议上说，迄今为止，这些实验仅仅是在10万亿分之一的概率上证实了等效原理。
So far, Dr Murphy told the conference, these experiments have merely confirmed the equivalence principle to one part in 10 trillion.
Murphy博士在会议上说，迄今为止，这些实验仅仅是在10万亿分之一的概率上证实了等效原理。
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