working scale造句

Then , the main factors that have resulted in the low level of the mechanization have been analyzed : the working scale of the soil , the rate of agricultural labor force transferring to other fields , farmer ' s low income , the backwardness of agricultural electrization , farmer ' s overall culture level and the weakness of expanding force
在此基础上对导致我国农机化发展水平较低的主要因素进行了分析，认为农村土地经营规模、农业劳动力向非农业转移速度、农民收入水平低、农业电气化滞后、农民总体科技文化水平低和农机推广力量薄弱是影响我国农机化发展的重要因素。
It's difficult to find working scale in a sentence. 用working scale造句挺难的