Translation of "unit cost" into Chinese

Therefore, the unit cost per successful candidate fluctuates mainly according to the number of applicants.

因此,成功候选人单位成本的波动的主要原因在于申请人数目的改变。

Additional requirements for fuel, owing to a higher average unit cost of fuel per litre.

燃料所需资源增加,原因是每公升燃料的平均单价上涨。