The steam power system ( SPS) should be operated under the optimal scheme to meet the varying demand of steam and power from process, to reduce cost and save energy for petrochemical industry.
为了满足石化企业工艺过程对蒸汽和电力不断变化的需要，实现企业降低成本、节能降耗的目的，必须保证蒸汽动力系统在最优状态下运行。
To satisfy demand for uninterrupted power supply, the developing scheme of double power switch controller taking M68HC908SR12 controller as main control chip was introduced.
针对不间断供电的需求，介绍了一种以m 68hc 908sr12单片机为主控芯片的双电源转换控制器的研制方案。
The paper analyzed rural power system personnel demand from rural power system and discussed the training scheme of specialized personnel.
从农电系统的现状分析了农电系统的人才需求，并针对这一问题在农电专业人才培养方案的构建方面进行了探讨。
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