Concept information
优选词，正式主题词
harHectare
定义
- The customary metric unit of land area, equal to 100 ares. One hectare is a square hectometer, that is, the area of a square 100 meters on each side: exactly 10 000 square meters or approximately 107 639.1 square feet, 11 959.9 square yards, or 2.471 054 acres.
上位概念
URI
https://vocab.sentier.dev/units/unit/HA
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