Second, the yield per mu involve two important unit of measurement gauges, the plot is difficult to unity.

二是亩产量同时涉及两个重要的度量单位量器、地积难以统一。

youdao

Second, the yield per mu involve two important unit of measurement gauges, the plot is difficult to unity.

二是亩产量同时涉及两个重要的度量单位量器、地积难以统一。

youdao