| 单词 | prime meridian |
| 释义 | prime meridian prime meridian n.（名词）The zero meridian (0&9{=}), used as a reference line from which longitude east and west is measured. It passes through Greenwich, England.本初子午线：通过英国格林威治的零度（0&9{=}）子午线，用作参考经线，从本初子午线开始分别向东和向西计算全世界的地理经度 |
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