In national economicalproduction, there have a lot of cutting stock problems.
在国民经济生产中，存在着大量的切割下料问题。
2
In particular, the machine selection incorporated with tool selection can generate extended strategies for economicalproduction.
特别是将选择机床与选择刀具相结合能对经济生产进行优化决策。
3
In the low frequency range (1 Hz to 1 MHz), however, the inductor value becomes very large and the inductor itself gets quite bulky, economicalproduction difficult.