对经济上切实可行的替代活动提供支持。
Provision of support for economically viable alternative activities.
对经济上切实可行的烟草种植替代生计提供支持。
实践证明，该技术不仅在经济上是优化的，而且在技术上也是切实可行的，实现了水电站集水井控制系统的自动化。
It is proved that the technology is not only optimal economically, but also feasible technically, and the automation of the water-collecting well control system of the hydropower plant is realized.
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