Under a physical concept of capital, such as operating capability, capital is regarded as the productive capacity of the entity based on, for example, units of outputperday.
资本的物理概念(如经营能力)则表明资本是该实体的生产能力,例如,每天的产出。
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Production from the region, now 1.2m barrels perday, is expected to rise to 4m by 2020, putting Canada's output on a par with Iran's.