本初子午線

běnchūzǐwǔxiàn

the first meridian; the prime meridian

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běn chū zǐ wǔ xiàn

n. first meridian, prime meridian

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ben3 chu1 zi3 wu3 xian4

the first meridian, the prime meridian

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本初子午線|本初子午线 [běn chū zǐ wǔ xiàn] ► the first meridian ► the prime meridian