A unit of area equals to one foot by one foot square.

一种面积单位等于一英尺乘以一英尺。

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A unit of area defining the extent of a concession to explore for oil or gas offshore.

区块是限定勘探海上油气特许权的范围的一个面积单位。

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Virgate is a unit of land area.

威尔格是一个土地面积单位。

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Energy density refers to the quantity of energy that can be contained in a given unit of volume, area, or mass.

FORBES: Magazine Article

Power density refers to the energy flow that can be harnessed from a given unit of volume, area or mass.

FORBES: Magazine Article

They generally require the drillers to file a plan for royalty-sharing when the drilling permit is issued for a specific unit, based upon known geometry of hydrocarbon reservoirs and surface area.

FORBES: Shale Leases: Promised Land