- 一本初衷 yīběnchūzhōng to stick to one's original intentionTo act completely in accordance with one's original heart, decision, or intention
- 本初子午线 běnchūzǐwǔxiàn prime meridianThe first meridian on the Earth from which longitude is measured, specifically the line passing through Greenwich in London
- 格林尼治本初子午线 gélínnízhìběnchūzǐwǔxiàn Greenwich meridianthe prime meridian passing through Greenwich, London, from which longitude is measured
