火炮总体优化设计是总体设计的重要工具。
System optimal design of howitzer is an important tool of system design.
子系统的优化目标函数是等额年费用；总体优化的目标函数是财务净现值。
Objective function of son system is yearly cost; Objective function of overall system is NEPV.
子系统的优化目标函数是等额年费用；总体优化的目标函数是财务净现值。
Objective function of son system is yearly cost; Objective function of overall system is NEPV.
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