题目内容

在系统效率SE和寿命周期成本LCC之间进行权衡时,可采用的有效手段有( )。

A. 通过增加维持费使系统的能力增大
B. 通过增加设置费使产品精度提高
C. 通过增加维持费使产量增大
D. 通过增加维持费使产品成本降低

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