Absolute land rent is one of the most characteristic Marxism land rent theory, not a redundancy.
绝对地租理论是马克思地租理论中最具特点的理论，不是“理论的赘瘤”。
2
The mineral resources original value(the mineral resources before exploration)reflects the excess profit, which includes the absolute differential rent and the first differential rent.
未经勘查的矿产资源即有原有价值，体现为超额利润—绝对矿租和第一形态级差矿租。
3
The former is called the graded mine rent and the latter absolute mine rent and they are the excess profit obtained by the equation of existing income value.