principal meridians meaning in English
主要子午线
Examples
- According to this ordinance , government surveyors were to establish on unsettled land horizontal lines called base lines and vertical lines called principal meridians , and the land is divided into townships , each township being miles square
按照该法令，土地在出售和殖民前要经过测量，并依照东西方向的基准线和南北方向主子午线划分成镇区，每个镇区为6英里见方。