en proper time (n)
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Weight: 1.0
en time Source: English Wiktionary
en proper time (n)
― RelatedTo ⟶
Weight: 1.0
en timelike Source: English Wiktionary
en proper time (n)
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Weight: 1.0
en clock Source: English Wiktionary
en proper time (n)
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Weight: 1.0
en world line Source: English Wiktionary