hect·are /ˈhɛkˌtær, ˌtɛr, ˌtɑr/
公頃
Hec·tare n. A measure of area, or superficies, containing a hundred ares, or 10,000 square meters, and equivalent to 2.471 acres.
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hectare
n : (abbreviated `ha') a unit of surface area equal to 100 ares
(or 10,000 square meters)